Great Falls, MT weather and climate in 2024
Day
19 °C
Night
5 °C
Sea
0 °C
Precipitation
62 mm
in month
Rainy days
10 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
54 %
Day
19 °C
Night
5 °C
Sea
0 °C
Precipitation
62 mm
in month
Rainy days
10 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
54 %
Overview: Great Falls, MT
Weather charts for Great Falls, MT
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Weather overview for Great Falls, MT
Weather overview
Great Falls, MT (United States of America) in general has a mild continental climate. Temperatures during the day are in the range from 2 °C (36 °F) in December to 29 °C (84 °F) in July. The least rainy month in Great Falls, MT is October with its 5 days of rain, the rainiest month is May, when it rains 10 days. Temperatures during the night go from -9 °C (17 °F) in January to 12 °C (54 °F) in July.
January weather
The beginning of the rise of the day temperature could be noticed, the value of this measure is 3 °C (37 °F) in Great Falls, MT, while the night temperature is on its minimum, with its value being -9 °C (17 °F). The number of sun hours (without clouds) rise's start could be observed in this month.
February weather
The number of rainy days starts to descent, its value is 5 days in Great Falls, MT, while the minimum of the rainfall amount can be noticed in this month. The rise of the day temperature can be observed, with its value of 4 °C (39 °F), while the night temperature rise's start could be observed, with its value being -8 °C (18 °F). The number of sun hours (without clouds) continues to rise, with its value of 5 hours.
March weather
The beginning of the rise of the number of rainy days could be noticed, with its value of 7 days in Great Falls, MT, and the rainfall amount rise's start could be observed too, the value of this measure is 24 mm (0.94 in). The day temperature continues to rise, its value is 9 °C (48 °F), and the rise of the night temperature can be observed as well. The rise of the number of sun hours (without clouds) can be observed, with its value of 7 hours.
April weather
The rise of the day temperature can be observed, with its value being 14 °C (58 °F) in Great Falls, MT, and the night temperature continues to rise as well, its value is 0 °C (33 °F). The number of rainy days continues to rise, with its value of 8 days, and the rise of the rainfall amount can be observed as well, with its value being 37 mm (1.46 in). The number of sun hours (without clouds) rises similarly to the previous month, its value is 8 hours.
May weather
The number of rainy days is on its maximum in Great Falls, MT, while the rainfall amount rises similarly to the previous month, the value of this measure is 62 mm (2.44 in). The day temperature rises similarly to the previous month, the value of this measure is 19 °C (67 °F), and the night temperature rises similarly to the previous month as well, with its value being 5 °C (42 °F). The number of sun hours (without clouds) rises similarly to the previous month, with its value of 9 hours.
June weather
The day temperature rises similarly to the previous month, its value is 24 °C (74 °F) in Great Falls, MT, and the night temperature rises similarly to the previous month as well, with its value being 10 °C (50 °F). The maximum of the rainfall amount can be noticed, with its value being 63 mm (2.49 in). The tourist season slowly starts. The rise of the number of sun hours (without clouds) can be observed, with its value being 10 hours. The day length reaches its maximum in this month.
July weather
The ongoing tourist season is noticeable in Great Falls, MT. The rainfall amount descent's start could be observed in July. The night temperature reaches its maximum, its value is 12 °C (54 °F), and the day temperature is on its maximum as well, with its value being 29 °C (84 °F). The maximum of the number of sun hours (without clouds) is observable, with its value of 12 hours. The humidity is on its minimum, with its value of 46 %.
August weather
The tourist season is close to its peak this month in Great Falls, MT. The beginning of the descent of the number of sun hours (without clouds) could be noticed, the value of this measure is 11 hours. The wind speed is on its minimum, with its value of 4. The night temperature descent's start could be observed.
September weather
The day temperature starts to descent, the value of this measure is 22 °C (72 °F) in Great Falls, MT, while the night temperature descents similarly to the previous month, its value is 7 °C (44 °F). There is pending tourist season. The descent of the number of sun hours (without clouds) can be observed, with its value of 8 hours.
October weather
The descent of the day temperature can be observed in Great Falls, MT, and the night temperature descents similarly to the previous month as well. The number of rainy days reaches its minimum, the value of this measure is 5 days, while the rainfall amount descent's start could be observed. The tourist season is taking place this month. The number of sun hours (without clouds) continues to descent, with its value being 6 hours.
November weather
The descent of the rainfall amount can be observed, with its value being 14 mm (0.54 in) in Great Falls, MT. The dry season is close to its peak. The descent of the night temperature can be observed, with its value of -4 °C (25 °F), and the day temperature descents similarly to the previous month as well, with its value being 7 °C (45 °F). The number of sun hours (without clouds) continues to descent, with its value of 4 hours.
December weather
The day temperature is on its minimum, the value of this measure is 2 °C (36 °F) in Great Falls, MT, while the night temperature descents similarly to the previous month, the value of this measure is -8 °C (17 °F). The beginning of the rise of the number of rainy days could be noticed in this month. The maximum of the wind speed is observable, with its value being 5. The minimum of the day length is observable, with its value of 8 hours. The minimum of the number of sun hours (without clouds) can be noticed in this month.
FAQs
What level of humidity is to expect in April in Great Falls, MT?
In April in Great Falls, MT, expect humidity around 54 %.
How many sunny hours can I expect in May in Great Falls, MT?
There is an average length of sunshine of 9 hours per day in May in Great Falls, MT. This indicator is higher by 1 hour than in the previous month. This is an increase of 13 %.
What is the average number of rainy days in June in Great Falls, MT?
There are 10 days, which are rainy in Great Falls, MT in June, 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 - 34 % days.
Is July part of the wet season in Great Falls, MT?
No, there is no wet season in Great Falls, MT in July - you can expect 7 days of rain during the month.
Is it hot in August in Great Falls, MT?
In Great Falls, MT in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Are there good conditions to visit in Great Falls, MT in September?
There are good conditions for visiting in Great Falls, MT in September. There are only 6 days of rain in the whole month, so you can leave your umbrella at home. There are some people, who may feel a slight chill at 22 °C (72 °F), but others will feel perfectly fine. The temperature of 7 °C (44 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Great Falls, MT in October?
The average daily temperature in October in Great Falls, MT is 15 °C (59 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. The value is lower by 7 °C (44 °F) than in the previous month. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
Is there a dry season in November in Great Falls, MT?
Yes, there is a dry season in November in Great Falls, MT with just 5 days during the month being rainy.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.