Climate and monthly weather forecastGeyser, MT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Geyser, Montana, with temperature in the range of an average high of 26.6°F (-3°C) and an average low of 14°F (-10°C). January's arrival registers an average high-temperature of a still freezing cold 26.6°F (-3°C), closely aligning with the temperature of the previous month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Geyser, Montana, with an average temperature fluctuating between 12°F (-11.1°C) and 25.5°F (-3.6°C). Geyser's entry into February measures an average high-temperature of a still freezing cold 25.5°F (-3.6°C), closely parallel to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Geyser, is a cold month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 35.2°F (1.8°C). The shift into March is marked by a rise in the average high-temperature, moving from February's freezing cold 25.5°F (-3.6°C) to a wintry 35.2°F (1.8°C). Weather in March »Weather in April
April, the same as March, is an icy spring month in Geyser, Montana, with an average temperature fluctuating between 25.9°F (-3.4°C) and 42.1°F (5.6°C). April brings a slight increase in the average high-temperature, progressing from a cold 35.2°F (1.8°C) in March to a still icy 42.1°F (5.6°C). Weather in April »Weather in May
The last month of the spring, May, is a cool month in Geyser, Montana, with an average temperature fluctuating between 53.2°F (11.8°C) and 34.2°F (1.2°C). May's arrival is marked by an increase in the average high-temperature, moving from a cold 42.1°F (5.6°C) in April to a fresh 53.2°F (11.8°C). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Geyser, Montana, with an average temperature fluctuating between 63.1°F (17.3°C) and 41.5°F (5.3°C). June's onset is marked by a temperature increase, moving from a fresh 53.2°F (11.8°C) in May to an enjoyable 63.1°F (17.3°C). Weather in June »Weather in July
July in Geyser, Montana, is a warm summer month, with an average temperature varying between 73.9°F (23.3°C) and 48.2°F (9°C). With average high temperatures of 73.9°F (23.3°C) and lows of 48.2°F (9°C), July is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Geyser, is another pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 48.2°F (9°C). As Geyser welcomes August, the average high-temperature is noted at an agreeable 72.1°F (22.3°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Geyser, is still a comfortable month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 41.5°F (5.3°C). The start of September comes with a reduction in the average high-temperature, receding from an agreeable 72.1°F (22.3°C) in August to a refreshing 62.8°F (17.1°C). Weather in September »Weather in October
October, like September, is a frosty autumn month in Geyser, Montana, with an average temperature varying between 46.4°F (8°C) and 29.8°F (-1.2°C). A decrease in the average high-temperature marks October, falling from September's enjoyable 62.8°F (17.1°C) to a frosty 46.4°F (8°C). Weather in October »Weather in November
November, the last month of the autumn in Geyser, is another cold month, with an average temperature fluctuating between 19.9°F (-6.7°C) and 33.4°F (0.8°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a frosty 46.4°F (8°C) in October to a wintry 33.4°F (0.8°C). Weather in November »Weather in December
December, the first month of the winter in Geyser, is still a freezing cold month, with temperature in the range of an average low of 11.7°F (-11.3°C) and an average high of 24.3°F (-4.3°C). In Geyser, the lowest average temperatures are observed in December, with a high of 24.3°F (-4.3°C) and a low of 11.7°F (-11.3°C). Weather in December »Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 138.1 rainfall days, and 28.58" (726mm) of precipitation is accumulated.
January through June, August through December are months with snowfall.
Throughout the year, there are 137.4 snowfall days, and 110.08" (2796mm) of snow is accumulated.
The months with the lowest UV index are January and February, with an average maximum UV index of 1.
With an average relative humidity of 87%, February is the most humid month.
The month with the least sunshine in Geyser is February, with an average of 4.8h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
The month with the most snowfall is April, when snow falls for 18.8 days and typically aggregates up to 19.29" (490mm) of snow.
May is the month with the most rainfall. Rain falls for 20.2 days and accumulates 4.69" (119mm) of precipitation.
With an average of 15h and 54min of daylight, June has the longest days of the year.
July brings the highest temperatures, with an average high of 73.9°F (23.3°C) and an average low of 48.2°F (9°C).
July is the only month when snow does not fall.
With an average of 11.5h of sunshine, July has the most sunshine of the year.
July is the month with the highest UV index, with an average maximum UV index of 5.
The least humid month in Geyser is August, with an average relative humidity of 53%.
December is the month that records the lowest temperatures, with averages ranging from a high of 24.3°F (-4.3°C) to a low of 11.7°F (-11.3°C).
December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 1.26" (32mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 36min of daylight.
Average temperature
Geyser, MT
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (24.3°F).
The months with the highest average low temperature are July and August (48.2°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).
Average pressure
Geyser, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Geyser, MT
- Average wind speed in January:
9.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.8mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Geyser, MT
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (53%).
Average rainfall
Geyser, MT
- Average rainfall in January:
1.46" - Average rainfall in February:
1.97" - Average rainfall in March:
2.05" - Average rainfall in April:
3.58" - Average rainfall in May:
4.69" - Average rainfall in June:
4.09"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.93" - Average rainfall in September:
1.73" - Average rainfall in October:
2.01" - Average rainfall in November:
1.69" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days
Geyser, MT
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
20.9 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall
Geyser, MT
- Average snowfall in January:
11.22" - Average snowfall in February:
15.08" - Average snowfall in March:
14.45" - Average snowfall in April:
19.29" - Average snowfall in May:
11.1" - Average snowfall in June:
1.42"
The month with the highest snowfall is April (19.29").
The month with the least snowfall is July (0").
Average snowfall days
Geyser, MT
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
20 days - Average snowfall days in March:
20.3 days - Average snowfall days in April:
18.8 days - Average snowfall days in May:
10.3 days - Average snowfall days in June:
2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
2.7 days - Average snowfall days in October:
12.3 days - Average snowfall days in November:
14.5 days - Average snowfall days in December:
17.9 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight / Average sunshine
Geyser, MT
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Geyser, MT
- Average sunshine days in January:
12.5 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
7.2 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
4.7 days - Average sunshine days in June:
6.7 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
12.3 days - Average sunshine days in November:
13.3 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is May (4.7 days).
Average UV index
Geyser, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Geyser, MT
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
Geyser, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is February (4mi).
