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 signals a shift in the average high-temperature, moving from March's frosty 45.7°F (7.6°C) to a mild 57.9°F (14.4°C). In Fairfax, April's nights observe an average temperature dip to a wintry 41.4°F (5.2°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In April, in Fairfax, the rain falls for 13.2 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Fairfax, Iowa, there are 120.7 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Fairfax. During 1.1 snowfall days, in April, Fairfax aggregates 0.35" (9mm) of snow. In Fairfax, during the entire year, snow falls for 36.1 days and aggregates up to 8.43" (214mm) of snow.Daylight
In April, the average length of the day in Fairfax is 13h and 23min.On the first day of April in Fairfax, sunrise is at 6:48 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:05 pm CDT.
Sunshine
The average sunshine in April in Fairfax, Iowa, is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in April translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are April temperatures in Fairfax?
What is the average humidity in April in Fairfax?
How much does it rain in Fairfax in April?
What is the last month it snows in Fairfax?
What is the average length of the day in April in Fairfax?
What time are sunrise and sunset in April in Fairfax?
How many hours of sunshine does Fairfax have in April?
What is the UV index reading in April in Fairfax?
Average temperature in April
Fairfax, IA
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in April
Fairfax, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Fairfax, IA
- Average wind speed in April: 10.7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Fairfax, IA
- Average humidity in April: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Fairfax, IA
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in April
Fairfax, IA
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Fairfax, IA
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Fairfax, IA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Fairfax, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Fairfax, IA
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in April
Fairfax, IA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Fairfax, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Fairfax, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Fairfax, Iowa, USA
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