Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
March brings a temperature change, with average high-temperatures moving from February's chilly 43.7°F (6.5°C) to a cool 55°F (12.8°C). In March, the average low-temperature is a cold 38.7°F (3.7°C).Humidity
In March, the average relative humidity is 77%.Rainfall
In Saint Johns, during March, the rain falls for 14.4 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Saint Johns, during the entire year, the rain falls for 147.6 days and collects up to 29.17" (741mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Saint Johns. In Saint Johns, during March, snow falls for 2.1 days and regularly aggregates up to 0.55" (14mm) of snow. In Saint Johns, Illinois, during the entire year, snow falls for 18 days and aggregates up to 4.53" (115mm) of snow.Daylight
In March, the average length of the day in Saint Johns, Illinois, is 11h and 59min.On the first day of the month, sunrise is at 6:27 am and sunset at 5:50 pm CST. On the last day of March, in Saint Johns, sunrise is at 6:42 am and sunset at 7:19 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
In Saint Johns, the average sunshine in March is 6.4h.UV index
In Saint Johns, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 in March translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the average March temperature in Saint Johns?
What is the average humidity in March in Saint Johns?
How many days does it rain in March in Saint Johns?
How many days does it snow in March in Saint Johns?
What is the average length of the day in March in Saint Johns?
When are sunrise and sunset in March in Saint Johns?
When does Daylight Saving Time (DST) start in March in Saint Johns?
How many hours of sunshine does Saint Johns have in March?
What is the UV index reading in March in Saint Johns?
Average temperature in March
Saint Johns, IL
- Average high temperature in March: 55°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in March: 38.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in March
Saint Johns, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Saint Johns, IL
- Average wind speed in March: 9.4mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in March
Saint Johns, IL
- Average humidity in March: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Saint Johns, IL
- Average rainfall in March: 2.56"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in March
Saint Johns, IL
- Average rainfall days in March: 14.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in March
Saint Johns, IL
- Average snowfall in March: 0.55"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Saint Johns, IL
- Average snowfall days in March: 2.1 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Saint Johns, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in March
Saint Johns, IL
- Average sunshine days in March: 13.8 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in March
Saint Johns, IL
- Average UV index in March: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Saint Johns, IL
- Average cloud cover in March: 48
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in March
Saint Johns, IL
- 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).
Saint Johns, Illinois, USA
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