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 is marked by a slight increase in the average high-temperature, moving from an icy 41°F (5°C) to a chilly 49.3°F (9.6°C). During the month of April, an average temperature of 31.8°F (-0.1°C) is noted during the nights in Harlowton.Humidity
In Harlowton, the average relative humidity in April is 65%.Rainfall
In Harlowton, in April, during 14.8 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harlowton are January through May, September through December. April is the month with the most snowfall in Harlowton. Snow falls for 8.6 days and accumulates 6.61" (168mm) of snow.Daylight
The average length of the day in April is 13h and 37min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:48 pm. On the last day of April, in Harlowton, Montana, sunrise is at 6:05 am and sunset at 8:27 pm MDT.
Sunshine
The average sunshine in April in Harlowton is 10.1h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! Reflection from snow can magnify 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 temperature in April in Harlowton?
What is the average humidity in April in Harlowton?
How much does it rain in Harlowton in April?
What is the snowiest month in Harlowton?
How much does it snow in Harlowton in April?
What is the average length of the day in April in Harlowton?
When are sunrise and sunset in April in Harlowton?
How long on average sun shines in April in Harlowton?
What is the UV index reading in April in Harlowton?
Average temperature in April
Harlowton, MT
- Average high temperature in April: 49.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in April: 31.8°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in April
Harlowton, MT
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Harlowton, MT
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Harlowton, MT
- Average humidity in April: 65%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in April
Harlowton, MT
- Average rainfall in April: 1.69"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in April
Harlowton, MT
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in April
Harlowton, MT
- Average snowfall in April: 6.61"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Harlowton, MT
- Average snowfall days in April: 8.6 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Harlowton, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in April
Harlowton, MT
- Average sunshine days in April: 9 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in April
Harlowton, MT
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Harlowton, MT
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Harlowton, MT
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harlowton, Montana, USA
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