March weather forecastHarlem, MT
March
Weather in March
The first month of the spring, March, is an icy month in Harlem, Montana, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 24.8°F (-4°C).Temperature
March's arrival coincides with a temperature rise, moving from February's freezing cold 26.2°F (-3.2°C) to a wintry 38.8°F (3.8°C). During the nights in March, an average low-temperature of 24.8°F (-4°C) is observed.Humidity
In March, the average relative humidity is 75%.Rainfall
February, March and December are months with the least rain when the rain falls for 8.9 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
January through May, September through December are months with snowfall. In March, it is snowing for 8.2 days. Throughout March, 2.13" (54mm) of snow is accumulated. In Harlem, during the entire year, snow falls for 57.6 days and aggregates up to 21.69" (551mm) of snow.Daylight
In March, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 6:54 am and sunset at 5:59 pm MST. On the last day of March, sunrise is at 6:53 am and sunset at 7:45 pm MDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.
Sunshine
The average sunshine in March is 7.3h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During March, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Harlem, MT
- Average high temperature in March: 38.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (26.2°F).
- Average low temperature in March: 24.8°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (12.6°F).
Average pressure in March
Harlem, MT
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in March
Harlem, MT
- Average wind speed in March: 9.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in March
Harlem, MT
- Average humidity in March: 75%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (42%).
Average rainfall in March
Harlem, MT
- Average rainfall in March: 0.55"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").
Average rainfall days in March
Harlem, MT
- Average rainfall days in March: 8.9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in March
Harlem, MT
- Average snowfall in March: 2.13"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in March
Harlem, MT
- Average snowfall days in March: 8.2 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Harlem, MT
- Average daylight in March: 11h and 54min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in March: 7h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in March
Harlem, MT
- Average sunshine days in March: 15.2 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in March
Harlem, MT
- Average UV index in March: 2
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, October, November and December (UV index 2).
Average cloud cover in March
Harlem, MT
- Average cloud cover in March: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in March
Harlem, MT
- Average visibility in March: 6mi
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).





