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
Shifting into April, Saint Johns records an average high-temperature of a still frosty 9.5°C (49.1°F), presenting minor fluctuations compared to the previous month. Saint Johns's nighttime temperature in April experiences a slight dip from daytime highs, falling to an average of 7.3°C (45.1°F).Humidity
In Saint Johns, the average relative humidity in April is 80%.Rainfall
April and May are months with the least rain when the rain falls for 13.3 days and typically aggregates up to 24mm (0.94") of rain.Snowfall
Months with snowfall in Saint Johns are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Saint Johns aggregates 1mm (0.04") of snow. In Saint Johns, Isle of Man, during the entire year, snow falls for 5.1 days and aggregates up to 47mm (1.85") of snow.Daylight
The average length of the day in April in Saint Johns, Isle of Man, is 14h and 5min.On the first day of the month, sunrise is at 06:48 and sunset at 19:54. On the last day of April, sunrise is at 05:41 and sunset at 20:49 BST.
Sunshine
The average sunshine in April is 8.1h.UV index
In Saint Johns, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 3 in April transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are April temperatures in Saint Johns?
What is the average humidity in April in Saint Johns?
What is the driest month in Saint Johns?
How many days does it rain in April in Saint Johns?
What is the last month it snows in Saint Johns?
What is the average length of the day in April in Saint Johns?
When is the sunrise / sunset in April in Saint Johns?
How many hours of sunshine does Saint Johns have in April?
What is the UV index reading in April in Saint Johns?
Average temperature in April
Saint Johns, Isle of Man
- Average high temperature in April: 9.5°C
The warmest month (with the highest average high temperature) is August (15.9°C).
The month with the lowest average high temperature is February (7.4°C).
- Average low temperature in April: 7.3°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).
Average pressure in April
Saint Johns, Isle of Man
- Average pressure in April: 1014.8mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed in April
Saint Johns, Isle of Man
- Average wind speed in April: 23.2km/h
The windiest month (with the highest average wind speed) is December (34.4km/h).
The calmest month (with the lowest average wind speed) is June (19.7km/h).
Average humidity in April
Saint Johns, Isle of Man
- Average humidity in April: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (77%).
Average rainfall in April
Saint Johns, Isle of Man
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is November (63mm).
The driest months (with the least rainfall) are April and May (24mm).
Average rainfall days in April
Saint Johns, Isle of Man
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is November (19.6 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in April
Saint Johns, Isle of Man
- Average snowfall in April: 1mm
The month with the highest snowfall is March (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Saint Johns, Isle of Man
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Saint Johns, Isle of Man
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The months with the least sunshine are January and November (Average sunshine: 3h and 48min).
Average sunshine days in April
Saint Johns, Isle of Man
- Average sunshine days in April: 15 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in April
Saint Johns, Isle of Man
- Average UV index in April: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and March (UV index 2).
Average cloud cover in April
Saint Johns, Isle of Man
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in April
Saint Johns, Isle of Man
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Saint Johns, Isle of Man
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