Day
-1 °C
Night
-16 °C
Precipitation
56 mm
in month
Rainy days
12 days
in month
Daylight
10 hours
average
Sunshine
6 hours
average
Humidity
65 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Grand Teton National Park (United States of America) is a place with a cold continental climate. Temperatures during the day are in the range from -4 °C (24 °F) in December to 26 °C (79 °F) in July. The driest month is August with just 7 days of rain, on the contrary, the month when it rains the most is March with 12 days of rain. The highest night temperatures could be experienced in July with 6 °C (43 °F), the lowest in December with -17 °C (2 °F).
The day temperature rise's start could be observed in Grand Teton National Park. The beginning of the rise of the day length could be noticed in January. The beginning of the rise of the number of sun hours (without clouds) could be noticed.
The day temperature continues to rise, its value is -1 °C (30 °F) in Grand Teton National Park, while the night temperature rise's start could be observed, its value is -16 °C (3 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 6 hours. The beginning of the descent of the rainfall amount could be noticed, with its value of 56 mm (2.22 in). The minimum of the wind speed is observable, the value of this measure is 3.
The day temperature continues to rise, its value is 5 °C (40 °F) in Grand Teton National Park, and the night temperature rises similarly to the previous month too, its value is -10 °C (13 °F). The number of rainy days reaches its maximum, its value is 12 days. The number of sun hours (without clouds) rises similarly to the previous month, with its value of 8 hours.
The rise of the day temperature can be observed, its value is 8 °C (47 °F) in Grand Teton National Park, and the rise of the night temperature can be observed too, with its value of -6 °C (21 °F). The maximum of the wind speed is observable, with its value being 4. The number of sun hours (without clouds) continues to rise, its value is 8 hours.
The beginning of the rise of the rainfall amount could be noticed in this month in Grand Teton National Park. The day temperature continues to rise, with its value being 14 °C (58 °F), and the rise of the night temperature can be observed too, with its value being -1 °C (29 °F). The rise of the number of sun hours (without clouds) can be observed, with its value of 9 hours.
The tourist season is about to start in Grand Teton National Park. The rise of the day temperature can be observed, its value is 20 °C (69 °F), and the rise of the night temperature can be observed too, with its value being 3 °C (37 °F). The number of rainy days descent's start could be observed, the value of this measure is 9 days, and the beginning of the descent of the rainfall amount could be noticed as well. The number of sun hours (without clouds) continues to rise, its value is 10 hours.
The tourist season continues in Grand Teton National Park. The maximum of the day temperature is observable, its value is 26 °C (79 °F), and the maximum of the night temperature is observable too. The number of rainy days continues to descent, with its value of 8 days, and the descent of the rainfall amount can be observed as well. The maximum of the number of sun hours (without clouds) can be noticed, its value is 11 hours.
The minimum of the number of rainy days is observable, its value is 7 days in Grand Teton National Park, and the rainfall amount reaches its minimum as well, its value is 33 mm (1.31 in). There is pending tourist season. The night temperature starts to descent, the value of this measure is 5 °C (41 °F). The humidity is on its minimum, with its value being 44 %. The number of sun hours (without clouds) descent's start could be observed.
The tourist season continues in Grand Teton National Park, and the ongoing dry season is noticeable as well. The beginning of the descent of the day temperature could be noticed, with its value of 20 °C (68 °F), while the descent of the night temperature can be observed, with its value being 1 °C (33 °F). The rainfall amount starts to rise, with its value of 39 mm (1.52 in). The number of sun hours (without clouds) continues to descent.
The day temperature continues to descent, with its value of 12 °C (53 °F) in Grand Teton National Park, and the descent of the night temperature can be observed too, with its value of -4 °C (24 °F). The ongoing dry season is noticeable. The rainfall amount rises similarly to the previous month, with its value being 45 mm (1.79 in). The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 7 hours.
The beginning of the rise of the number of rainy days could be noticed, with its value of 11 days in Grand Teton National Park, while the rainfall amount continues to rise, the value of this measure is 69 mm (2.71 in). The descent of the day temperature can be observed, the value of this measure is 3 °C (37 °F), and the night temperature descents similarly to the previous month too, its value is -10 °C (14 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 5 hours.
The day temperature reaches its minimum, the value of this measure is -4 °C (24 °F) in Grand Teton National Park, and the night temperature reaches its minimum as well, with its value of -17 °C (2 °F). The rainfall amount reaches its maximum, the value of this measure is 74 mm (2.92 in), while the number of rainy days continues to rise, its value is 12 days. The maximum of the humidity can be noticed in December. The number of sun hours (without clouds) reaches its minimum in this month.
No, May is not a dry month in Grand Teton National Park, expect rain approximately 12 days in a month.
The average night temperature in Grand Teton National Park in June is 3 °C (37 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. That's 4 °C (40 °F) more than in the previous month.
July is one of the best months to visit Grand Teton National Park. The daily temperatures in this month reach pleasant 26 °C (79 °F). There are only 8 days of rain in the whole month, so you can leave your umbrella at home. The night temperature of 6 °C (43 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
The average daily temperature in Grand Teton National Park in August is 26 °C (79 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
There are 8 days, which are rainy in September in Grand Teton 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 1.9 days of the week, or in general - 27 % days.
No, there is no wet season in October in Grand Teton National Park - you can expect 8 days of rain during the month.