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
Saint John's weather shows a temperature rise with the arrival of April, moving from a frosty 46.9°F (8.3°C) in March to a mild 55.9°F (13.3°C). Saint John, in April, witnesses an average low-temperature of 37.4°F (3°C).Humidity
The average relative humidity in April is 66%.Rainfall
In Saint John, during April, the rain falls for 9.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Saint John, during the entire year, the rain falls for 84.3 days and collects up to 7.24" (184mm) of precipitation.Snowfall
Months with snowfall in Saint John are January through May, September, November and December. In Saint John, in April, during 1.6 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Saint John, during the entire year, snow falls for 32.5 days and aggregates up to 14.09" (358mm) of snow.Daylight
In April, the average length of the day is 13h and 39min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:20 pm. On the last day of April, in Saint John, sunrise is at 5:34 am and sunset at 8:00 pm PDT.
Sunshine
The average sunshine in April in Saint John, Washington, is 9.5h.UV index
In Saint John, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the temperature in April in Saint John?
What is the average humidity in April in Saint John?
How much does it rain in Saint John in April?
How much does it snow in Saint John in April?
How many hours of daylight does Saint John have in April?
What time are sunrise and sunset in April in Saint John?
How long on average sun shines in April in Saint John?
What is the UV index reading in April in Saint John?
Average temperature in April
Saint John, WA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in April: 37.4°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in April
Saint John, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in April
Saint John, WA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
Saint John, WA
- Average humidity in April: 66%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).
Average rainfall in April
Saint John, WA
- Average rainfall in April: 0.63"
The wettest months (with the highest rainfall) are January and May (0.91").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Saint John, WA
- Average rainfall days in April: 9.5 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in April
Saint John, WA
- Average snowfall in April: 0.71"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in April
Saint John, WA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Saint John, WA
- 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 36min).
- Average sunshine in April: 9h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in April
Saint John, WA
- Average sunshine days in April: 18.1 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (15.9 days).
Average UV index in April
Saint John, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Saint John, WA
- Average cloud cover in April: 39
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in April
Saint John, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Saint John, Washington, USA
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