March weather forecastSaint Johns, MT
March
Weather in March
March, the first month of the spring in Saint Johns, is an icy month, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 24.6°F (-4.1°C).Temperature
The shift from February to March is marked by an increase in the average high-temperature, moving from a subzero cold 27.7°F (-2.4°C) to a wintry 39.7°F (4.3°C). In Saint Johns, March nights cool down to an average of 24.6°F (-4.1°C).Humidity
In Saint Johns, the average relative humidity in March is 75%.Rainfall
In Saint Johns, in March, it is raining for 9.2 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 98.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Saint Johns, in March, during 7.8 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Saint Johns, during the entire year, snow falls for 53.5 days and aggregates up to 14.25" (362mm) 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 6:59 am and sunset at 6:04 pm MST. On the last day of March, sunrise is at 6:57 am and sunset at 7:50 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 7.2h.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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during March leads to these advisories:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Saint Johns, MT
- Average high temperature in March: 39.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (27.1°F).
- Average low temperature in March: 24.6°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in March
Saint Johns, MT
- Average pressure in March: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in March
Saint Johns, MT
- Average wind speed in March: 9.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in March
Saint Johns, MT
- Average humidity in March: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).
Average rainfall in March
Saint Johns, MT
- Average rainfall in March: 0.51"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in March
Saint Johns, MT
- Average rainfall days in March: 9.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in March
Saint Johns, MT
- Average snowfall in March: 1.73"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in March
Saint Johns, MT
- Average snowfall days in March: 7.8 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Saint Johns, 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 18min).
- Average sunshine in March: 7h and 12min
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 18min).
Average sunshine days in March
Saint Johns, MT
- Average sunshine days in March: 15.6 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in March
Saint Johns, MT
- Average UV index in March: 2
The month with the highest UV index is 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
Saint Johns, MT
- Average cloud cover in March: 43
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in March
Saint Johns, 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).
