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
Darby's transition into April is marked by a minor temperature shift, moving from a wintry 36°F (2.2°C) in March to a frosty 43.5°F (6.4°C). Darby's nighttime temperature during April is consistently averaged at a subzero cold 25.9°F (-3.4°C).Humidity
In April, the average relative humidity in Darby is 79%.Rainfall
The wettest months in Darby are February and April, with an average 2.36" (60mm) of rainfall.Snowfall
Months with snowfall are January through May, September through December. In Darby, during April, snow falls for 10.3 days and regularly aggregates up to 5.67" (144mm) of snow. In Darby, Montana, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.Daylight
In Darby, the average length of the day in April is 13h and 35min.On the first day of April in Darby, sunrise is at 7:14 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:44 pm MDT.
Sunshine
In Darby, the average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index in Darby is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
Is April cold in Darby?
What is the average humidity in April in Darby?
What is the wettest month in Darby?
How much does it rain in Darby in April?
How many days does it snow in April in Darby?
How many hours of daylight does Darby have in April?
What time are sunrise and sunset in April in Darby?
How many hours of sunshine does Darby have in April?
How high is the UV index in April in Darby?
Average temperature in April
Darby, MT
- Average high temperature in April: 43.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in April: 25.9°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in April
Darby, MT
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Darby, MT
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Darby, MT
- Average humidity in April: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in April
Darby, MT
- Average rainfall in April: 2.36"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in April
Darby, MT
- Average rainfall days in April: 18.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in April
Darby, MT
- Average snowfall in April: 5.67"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Darby, MT
- Average snowfall days in April: 10.3 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Darby, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Darby, MT
- Average sunshine days in April: 6.9 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in April
Darby, 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 February and December (UV index 1).
Average cloud cover in April
Darby, MT
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Darby, 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, February, March and December (4mi).
Darby, Montana, USA
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