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
Simms's transition into April is marked by a minor temperature shift, moving from a wintry 42.6°F (5.9°C) in March to a fresh 51.4°F (10.8°C). An average low-temperature of 34.3°F (1.3°C) is anticipated throughout the nights during April.Humidity
The average relative humidity in April is 63%.Rainfall
In Simms, in April, during 14.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Simms, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Simms, during April, snow falls for 6 days and regularly aggregates up to 4.41" (112mm) of snow. Throughout the year, in Simms, there are 69.4 snowfall days, and 35.35" (898mm) of snow is accumulated.Daylight
In Simms, the average length of the day in April is 13h and 40min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:58 pm. On the last day of April, in Simms, Montana, sunrise is at 6:10 am and sunset at 8:38 pm MDT.
Sunshine
The average sunshine in April in Simms is 8.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Simms?
What is the average humidity in April in Simms?
How many days does it rain in April in Simms?
How many days does it snow in April in Simms?
What is the average length of the day in April in Simms?
When is the sunrise / sunset in April in Simms?
How many hours of sunshine does Simms have in April?
What is the UV index reading in April in Simms?
Average temperature in April
Simms, MT
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).
Average pressure in April
Simms, MT
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Simms, MT
- Average wind speed in April: 9.5mph
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 (7.3mph).
Average humidity in April
Simms, MT
- Average humidity in April: 63%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Simms, MT
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in April
Simms, MT
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Simms, MT
- Average snowfall in April: 4.41"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Simms, MT
- Average snowfall days in April: 6 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Simms, MT
- Average daylight in April: 13h and 4min
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 April: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Simms, MT
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in April
Simms, 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
Simms, MT
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in April
Simms, 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).
Simms, Montana, USA
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