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
The shift from March to April sees an increase in the average high-temperature, transitioning from a wintry 36.1°F (2.3°C) to a chilly 46.6°F (8.1°C). April is noted for a mean low-temperature of 27.7°F (-2.4°C).Humidity
The average relative humidity in April is 78%.Rainfall
In April, in Olney, the rain falls for 16.6 days. Throughout April, 1.61" (41mm) of precipitation is accumulated. In Olney, Montana, during the entire year, the rain falls for 136.9 days and collects up to 16.46" (418mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Olney, Montana, in April, during 7.9 snowfall days, 2.99" (76mm) of snow is typically accumulated. Throughout the year, there are 107.6 snowfall days, and 51.42" (1306mm) of snow is accumulated.Daylight
In April, the average length of the day in Olney is 13h and 44min.On the first day of April, sunrise is at 7:14 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:52 pm MDT.
Sunshine
In April, the average sunshine in Olney is 8.4h.UV index
In Olney, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Olney?
What is the average humidity in April in Olney?
How much does it rain in Olney in April?
How many days does it snow in April in Olney?
What is the average length of the day in April in Olney?
When is the sunrise / sunset in April in Olney?
How long on average sun shines in April in Olney?
What is the UV index intensity in April in Olney?
Average temperature in April
Olney, MT
- Average high temperature in April: 46.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in April: 27.7°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is February (12.7°F).
Average pressure in April
Olney, 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
Olney, MT
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in April
Olney, MT
- Average humidity in April: 78%
The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in April
Olney, MT
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is March (1.93").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in April
Olney, MT
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in April
Olney, MT
- Average snowfall in April: 2.99"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Olney, MT
- Average snowfall days in April: 7.9 days
The month with the highest number of snowfall days is December (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Olney, 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 24min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Olney, MT
- Average sunshine days in April: 8.6 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in April
Olney, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Olney, MT
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Olney, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Olney, Montana, USA
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