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    Wyoming - National parks

    Yellowstone National Park weather and climate

    Wyoming - National parks

    Yellowstone National Park weather and climate

     

    Day

    10 °C

     

    Night

    -5 °C

     

    Precipitation

    51 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    55 %

     

    Day

    10 °C

     

    Night

    -5 °C

     

    Precipitation

    51 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    55 %

    Weather charts for Yellowstone National Park

    JanFebMarAprMayJunJulAugSepOctNovDec24681012Temperature (° C)-20-15-10-50510152025Precipitation (mm)0100
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDec24681012Temperature (° C)-20-15-10-50510152025Precipitation (mm)0100
    Show more charts
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    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    Mountain range in Yellowstone National Park on a day with cloudy weather

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    Season
    Day temperature
    0
    > 16 °C
    36
    Night temperature
    -6
    > 6 °C
    30
    Sea temperature
    16
    > 18 °C
    32
    Wet days per month
    2
    < 15
    20

    Destinations with similar weather to Yellowstone National Park

    Other destinations in Wyoming - National parks


    Weather overview for Yellowstone National Park

    Weather overview

    Yellowstone National Park (United States of America) in general has a mild continental climate. The day temperatures range from -2.2 °C (28.0 °F) in January to 22.5 °C (72.5 °F) in July. The highest night temperatures could be experienced in July with 3.9 °C (39.0 °F), the lowest in February with -16.6 °C (2.1 °F). The least rainy month in Yellowstone National Park is August with its 8 days of rain, the rainiest month is March, when it rains 13 days.

    January weather

    The sea temperature reaches its maximum, with its value of 0.0 °C (32.0 °F) in Yellowstone National Park, on the contrary the day temperature is on its minimum, its value is -2.2 °C (28.0 °F). The descent of the night temperature can be observed, with its value of -15.3 °C (4.5 °F). The number of sun hours (without clouds) starts to rise in January.

    February weather

    The rainfall amount starts to descent, with its value being 66 mm (2.59 in) in Yellowstone National Park. The day temperature starts to rise, with its value being -1.2 °C (29.8 °F), while the night temperature is on its minimum, its value is -16.6 °C (2.1 °F). The number of sun hours (without clouds) continues to rise, with its value being 6 hours. The minimum of the wind speed is observable, with its value being 3.3.

    March weather

    The maximum of the number of rainy days can be noticed in this month in Yellowstone National Park. The day temperature continues to rise, while the beginning of the rise of the night temperature could be noticed, its value is -13.2 °C (8.2 °F). The rise of the number of sun hours (without clouds) can be observed, its value is 8 hours.

    April weather

    The number of rainy days starts to descent, the value of this measure is 13 days in Yellowstone National Park. The night temperature rises similarly to the previous month, and the day temperature continues to rise as well, its value is 5.9 °C (42.6 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 8 hours.

    May weather

    The rise of the day temperature can be observed, the value of this measure is 11.7 °C (53.1 °F) in Yellowstone National Park, and the rise of the night temperature can be observed too, with its value of -3.2 °C (26.2 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 9 hours.

    June weather

    The day temperature rises similarly to the previous month, with its value being 16.8 °C (62.2 °F) in Yellowstone National Park, and the rise of the night temperature can be observed as well, with its value of 0.8 °C (33.4 °F). The number of rainy days starts to descent in this month. The maximum of the day length can be noticed, the value of this measure is 15 hours. The rise of the number of sun hours (without clouds) can be observed, with its value of 10 hours.

    July weather

    The tourist season is at its beginning this month in Yellowstone National Park. The descent of the number of rainy days can be observed, the value of this measure is 8 days, while the rainfall amount descent's start could be observed, with its value being 41 mm (1.60 in). The maximum of the day temperature is observable, with its value being 22.5 °C (72.5 °F), and the maximum of the night temperature can be noticed as well in July. The number of sun hours (without clouds) reaches its maximum, the value of this measure is 11 hours.

    August weather

    There is pending tourist season in Yellowstone National Park. The day temperature descent's start could be observed, with its value being 21.9 °C (71.4 °F), and the beginning of the descent of the night temperature could be noticed too in August. The rainfall amount reaches its minimum, with its value being 40 mm (1.56 in), and the minimum of the number of rainy days can be noticed too in August. The number of sun hours (without clouds) descent's start could be observed.

    September weather

    The ongoing tourist season is noticeable in Yellowstone National Park, and the dry season continues too. The descent of the day temperature can be observed, and the night temperature continues to descent as well. The number of rainy days starts to rise in this month. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 8 hours.

    October weather

    The rainfall amount starts to rise in Yellowstone National Park. The descent of the day temperature can be observed, with its value of 9.9 °C (49.8 °F), and the night temperature continues to descent as well, with its value of -4.9 °C (23.2 °F). The descent of the number of sun hours (without clouds) can be observed, its value is 7 hours.

    November weather

    The day temperature continues to descent in Yellowstone National Park, and the night temperature continues to descent as well, with its value being -10.2 °C (13.6 °F). The beginning of the rise of the number of rainy days could be noticed, with its value of 12 days, while the rainfall amount rises similarly to the previous month, the value of this measure is 75 mm (2.94 in). The descent of the number of sun hours (without clouds) can be observed, its value is 5 hours. The maximum of the wind speed is observable, the value of this measure is 3.8.

    December weather

    The day temperature descents similarly to the previous month, its value is -1.5 °C (29.3 °F) in Yellowstone National Park, and the night temperature descents similarly to the previous month as well, with its value being -13.9 °C (7.0 °F). The rise of the number of rainy days can be observed, with its value of 13 days, while the rainfall amount reaches its maximum, with its value of 85 mm (3.34 in). The minimum of the number of sun hours (without clouds) is observable, its value is 4 hours. The minimum of the day length can be noticed, with its value being 9 hours.

    FAQs

    How many hours of sun to expect in May in Yellowstone National Park?

    There is an average length of sunshine of 9 hours per day in May in Yellowstone National Park.

    How many days of precipitation on average can I expect in Yellowstone National Park in June?

    There are 10 days, which are rainy in June in Yellowstone National Park, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.4 days of the week, or in general - 35 % days.

    What is the temperature in Yellowstone National Park during the day in July?

    In July in Yellowstone National Park, the average daily temperatures will be 22.5 °C (72.5 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    Are there good conditions to visit in August in Yellowstone National Park?

    August is the best month to visit Yellowstone National Park. You can expect just 8 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 21.9 °C (71.4 °F), but others will feel perfectly fine. The night temperature of 2.4 °C (36.3 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.

    What is the air temperature in Yellowstone National Park in September at night?

    The average night temperature in September in Yellowstone National Park is -0.9 °C (30.4 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

    Is October part of the wet season in Yellowstone National Park?

    No, there is no wet season in October in Yellowstone National Park - you can expect 9 days of rain during the month.