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
Cathan marks the arrival of April with an average high-temperature of a cool 53.6°F (12°C), hardly different from March's 48.4°F (9.1°C). In Cathan, an average low-temperature of 39.4°F (4.1°C) is recorded during April nights.Humidity
The average relative humidity in April in Cathan is 81%.Rainfall
In Cathan, Washington, in April, during 19 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 188.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Cathan. During 0.2 snowfall days, in April, Cathan aggregates 0.12" (3mm) of snow. In Cathan, Washington, during the entire year, snow falls for 11.6 days and aggregates up to 9.61" (244mm) of snow.Daylight
In April, the average length of the day is 13h and 43min.On the first day of April in Cathan, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:21 pm PDT.
Sunshine
In Cathan, the average sunshine in April is 7.9h.UV index
In Cathan, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in April transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the average April temperature in Cathan?
What is the average humidity in April in Cathan?
How much does it rain in Cathan in April?
What is the last month it snows in Cathan?
What is the average length of the day in April in Cathan?
What time are sunrise and sunset in April in Cathan?
How many hours of sunshine does Cathan have in April?
What is the UV index intensity in April in Cathan?
Average temperature in April
Cathan, WA
- Average high temperature in April: 53.6°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in April
Cathan, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Cathan, WA
- Average wind speed in April: 4.7mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in April
Cathan, WA
- Average humidity in April: 81%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Cathan, WA
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in April
Cathan, WA
- Average rainfall days in April: 19 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in April
Cathan, WA
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Cathan, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Cathan, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Cathan, WA
- Average sunshine days in April: 8.4 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in April
Cathan, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Cathan, WA
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in April
Cathan, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Cathan, Washington, USA
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