Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
An increase in the average high-temperature marks April, moving from March's icy 39.7°F (4.3°C) to a fresh 53.2°F (11.8°C). An average low-temperature of 36.3°F (2.4°C) is recorded in the month of April.Humidity
The average relative humidity in April is 59%.Rainfall
In Saint Johns, in April, it is raining for 11.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 98.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
Months with snowfall in Saint Johns are January through May, September through December. In Saint Johns, in April, during 4.5 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, in Saint Johns, there are 53.5 snowfall days, and 14.25" (362mm) of snow is accumulated.Daylight
The average length of the day in April in Saint Johns is 13h and 44min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:51 pm. On the last day of April, sunrise is at 5:59 am and sunset at 8:34 pm MDT.
Sunshine
In April, the average sunshine is 9.5h.UV index
In April, the average daily maximum UV index in Saint Johns is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 3 suggests these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average April temperature in Saint Johns?
What is the average humidity in April in Saint Johns?
How much does it rain in Saint Johns in April?
How many days does it snow in April in Saint Johns?
What is the average length of the day in April in Saint Johns?
When are sunrise and sunset in April in Saint Johns?
How long on average sun shines in April in Saint Johns?
What is the UV index intensity in April in Saint Johns?
Average temperature in April
Saint Johns, MT
- Average high temperature in April: 53.2°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 April: 36.3°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 April
Saint Johns, MT
- Average pressure in April: 29.92"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 April
Saint Johns, MT
- Average wind speed in April: 10.6mph
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 April
Saint Johns, MT
- Average humidity in April: 59%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Saint Johns, MT
- Average rainfall in April: 0.71"
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 April
Saint Johns, MT
- Average rainfall days in April: 11.3 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 April
Saint Johns, MT
- Average snowfall in April: 1.46"
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 April
Saint Johns, MT
- Average snowfall days in April: 4.5 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 April /
Average sunshine in April
Saint Johns, MT
- Average daylight in April: 13h and 4min
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 April: 9h and 3min
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 April
Saint Johns, MT
- Average sunshine days in April: 12.8 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 April
Saint Johns, MT
- Average UV index in April: 3
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 April
Saint Johns, MT
- Average cloud cover in April: 39
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 April
Saint Johns, MT
- Average visibility in April: 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, Montana, USA
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