Climate and monthly weather forecastGeraldine, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Geraldine, Montana, is a freezing cold winter month, with an average temperature varying between 18.7°F (-7.4°C) and 30.9°F (-0.6°C). The onset of January notes an average high-temperature of a still subzero cold 30.9°F (-0.6°C), subtly shifted from December's 29.8°F (-1.2°C). Weather in January »Weather in February
February, the last month of the winter in Geraldine, is another freezing cold month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 18.1°F (-7.7°C). As Geraldine transitions into February, the average high-temperature stands at a still subzero cold 30.9°F (-0.6°C), offering no variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Geraldine, is an icy month, with an average temperature varying between 42.4°F (5.8°C) and 27.3°F (-2.6°C). March's arrival is marked by an increase in the average high-temperature, moving from a freezing cold 30.9°F (-0.6°C) in February to a wintry 42.4°F (5.8°C). Weather in March »Weather in April
April in Geraldine, Montana, is a fresh spring month, with an average temperature ranging between min 36°F (2.2°C) and max 53.2°F (11.8°C). April's arrival signals a temperature shift, moving from an icy 42.4°F (5.8°C) in March to a cool 53.2°F (11.8°C). Weather in April »Weather in May
May, the last month of the spring in Geraldine, is a comfortable month, with an average temperature varying between 44.2°F (6.8°C) and 63°F (17.2°C). The arrival of May brings a change in Geraldine's weather, with average high-temperatures moving from April's cool 53.2°F (11.8°C) to a comfortable 63°F (17.2°C). Weather in May »Weather in June
June, the first month of the summer in Geraldine, is an agreeable month, with an average temperature varying between 72.1°F (22.3°C) and 51.4°F (10.8°C). The onset of June brings a rise in the average high-temperature, elevating from an enjoyable 63°F (17.2°C) in May to an agreeable 72.1°F (22.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Geraldine, Montana, with temperature in the range of an average low of 59°F (15°C) and an average high of 82.8°F (28.2°C). Geraldine records the warmest temperatures in July, averaging a high of 82.8°F (28.2°C) and a low of 59°F (15°C). In July, the heat index is calculated to be 82.4°F (28°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Geraldine, Montana, with an average temperature fluctuating between 60.4°F (15.8°C) and 81.9°F (27.7°C). The arrival of August brings an average high-temperature of a still warm 81.9°F (27.7°C), closely following the temperature pattern of July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Geraldine, Montana, with an average temperature ranging between max 70.7°F (21.5°C) and min 52.2°F (11.2°C). September weather is marked by a drop in the average high-temperature, falling from a warm 81.9°F (27.7°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Geraldine, Montana, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 54.9°F (12.7°C). The shift into October is characterized by a noticeable reduction in the average high-temperature, decreasing from September's pleasant 70.7°F (21.5°C) to a fresh 54.9°F (12.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Geraldine, Montana, with an average temperature varying between 41.4°F (5.2°C) and 27.7°F (-2.4°C). Geraldine's weather in November involves a decrease in the average high-temperature, moving down from October's cool 54.9°F (12.7°C) to a wintry 41.4°F (5.2°C). Weather in November »Weather in December
December, the first month of the winter in Geraldine, is also a subzero cold month, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 29.8°F (-1.2°C). Geraldine witnesses the coldest weather in December, with temperatures averaging a high of 29.8°F (-1.2°C) and a low of 18.5°F (-7.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Geraldine, MT
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).
Average pressure
Geraldine, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Geraldine, MT
- Average wind speed in January:
10.7mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.7mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9.3mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.3mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.4mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity
Geraldine, MT
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Geraldine, MT
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
0.83" - Average rainfall in April:
1.57" - Average rainfall in May:
2.01" - Average rainfall in June:
2.05"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.87" - Average rainfall in September:
1.14" - Average rainfall in October:
0.94" - Average rainfall in November:
0.91" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days
Geraldine, MT
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
6 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
9.6 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Geraldine, MT
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Geraldine, MT
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
12.2 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
4.8 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
2.3 days - Average snowfall days in November:
8.3 days - Average snowfall days in December:
10.7 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Geraldine, 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 12min - 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 30min
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 30min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 30min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 24min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
6h and 36min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days
Geraldine, MT
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
19.3 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index
Geraldine, MT
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Geraldine, MT
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility
Geraldine, MT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





