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
With the onset of April, La Salle's weather sees a temperature rise, transitioning from an icy 36.5°F (2.5°C) in March to a chilly 46.8°F (8.2°C). In the month of April, an average of 28.2°F (-2.1°C) marks the low-temperature.Humidity
In La Salle, the average relative humidity in April is 77%.Rainfall
In April, the rain falls for 17.9 days. Throughout April, 1.81" (46mm) of precipitation is accumulated. In La Salle, Montana, during the entire year, the rain falls for 142.8 days and collects up to 17.36" (441mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In La Salle, Montana, in April, during 7.6 snowfall days, 2.95" (75mm) of snow is typically accumulated. In La Salle, during the entire year, snow falls for 104.7 days and aggregates up to 51.34" (1304mm) of snow.Daylight
In La Salle, the average length of the day in April is 13h and 43min.On the first day of the month, sunrise is at 7:13 am and sunset at 8:08 pm. On the last day of April, sunrise is at 6:17 am and sunset at 8:50 pm MDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April in La Salle?
What time are sunrise and sunset in April?
How many hours of sunshine does La Salle have in April?
How high is the UV index in April?
Average temperature in April
La Salle, MT
- Average high temperature in April: 46.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.9°F).
- Average low temperature in April: 28.2°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in April
La Salle, MT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
La Salle, MT
- Average wind speed in April: 4.7mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
La Salle, MT
- Average humidity in April: 77%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in April
La Salle, MT
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in April
La Salle, MT
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).
Average snowfall in April
La Salle, MT
- Average snowfall in April: 2.95"
The month with the highest snowfall is January (11.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
La Salle, MT
- Average snowfall days in April: 7.6 days
The month with the highest number of snowfall days is December (21.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
La Salle, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
La Salle, MT
- Average sunshine days in April: 8.4 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in April
La Salle, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
La Salle, MT
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
La Salle, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
La Salle, Montana, USA
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