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
April's arrival in Eureka sees a rise in the average high-temperature, jumping from March's cold 36.3°F (2.4°C) to a frosty 46.4°F (8°C). Throughout April, Eureka experiences a low-temperature average of 27°F (-2.8°C).Humidity
The average relative humidity in April is 81%.Rainfall
In Eureka, in April, during 17 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 136.3 rainfall days, and 15.35" (390mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Eureka. In Eureka, Montana, in April, snow falls for 8.2 days, with typically accumulated 2.56" (65mm) of snow. Throughout the year, in Eureka, Montana, there are 110.7 snowfall days, and 46.81" (1189mm) of snow is accumulated.Daylight
In Eureka, the average length of the day in April is 13h and 45min.On the first day of April, sunrise is at 7:15 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:55 pm MDT.
Sunshine
The average sunshine in April in Eureka is 7.9h.UV index
The average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: During April, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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 are April temperatures in Eureka?
What is the average humidity in April in Eureka?
How many days does it rain in April in Eureka?
How many days does it snow in April in Eureka?
What is the average length of the day in April in Eureka?
When is the sunrise / sunset in April in Eureka?
How many hours of sunshine does Eureka have in April?
What is the UV index reading in April in Eureka?
Average temperature in April
Eureka, MT
- Average high temperature in April: 46.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in April: 27°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in April
Eureka, MT
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Eureka, MT
- Average wind speed in April: 4.3mph
The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in April
Eureka, MT
- Average humidity in April: 81%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in April
Eureka, MT
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in April
Eureka, MT
- Average rainfall days in April: 17 days
The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Eureka, MT
- Average snowfall in April: 2.56"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Eureka, MT
- Average snowfall days in April: 8.2 days
The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Eureka, 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 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
Eureka, MT
- Average sunshine days in April: 8.2 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in April
Eureka, 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
Eureka, MT
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Eureka, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Eureka, Montana, USA
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