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 start of April brings a shift in the average high-temperature, increasing from March's cold 34.3°F (1.3°C) to a frosty 44.1°F (6.7°C). During April, the average low-temperature is a freezing cold 26.4°F (-3.1°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Dell, in April, it is raining for 12.3 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Dell, there are 103.2 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. April is the month with the most snowfall. Snow falls for 10.8 days and accumulates 4.96" (126mm) of snow.Daylight
In Dell, the average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:58 pm. On the last day of April, in Dell, sunrise is at 6:20 am and sunset at 8:35 pm MDT.
Sunshine
In April, the average sunshine in Dell is 9.6h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in April interprets into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in April?
What is the average humidity in April?
How many days does it rain in April in Dell?
What is the snowiest month?
How many days does it snow in April in Dell?
What is the average length of the day in April?
When is the sunrise / sunset in April in Dell?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Dell, MT
- Average high temperature in April: 44.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in April: 26.4°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (9.9°F).
Average pressure in April
Dell, MT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Dell, MT
- Average wind speed in April: 6.8mph
The windiest months (with the highest average wind speed) are November and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Dell, MT
- Average humidity in April: 69%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in April
Dell, MT
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Dell, MT
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in April
Dell, MT
- Average snowfall in April: 4.96"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Dell, MT
- Average snowfall days in April: 10.8 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Dell, MT
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h 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: 5h and 54min).
Average sunshine days in April
Dell, MT
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in April
Dell, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in April
Dell, MT
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Dell, MT
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Dell, Montana, USA
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