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 sea temperature 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
With the onset of April, Grimsby's average high-temperature clocks in at a fresh 11.3°C (52.3°F), showing a minor fluctuation from the previous month. Throughout April, Grimsby witnesses a nighttime temperature average of 5.8°C (42.4°F).Humidity
In April, the average relative humidity is 80%.Rainfall
The month with the least rainfall is April, when the rain falls for 11.5 days and typically collects 17mm (0.67") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
In April, the average sea temperature in Grimsby, United Kingdom, is 8.1°C (46.6°F).Note: Diving into 8.1°C (46.6°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
The average length of the day in April is 14h and 2min.On the first day of April in Grimsby, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:29 pm BST.
Sunshine
In Grimsby, United Kingdom, the average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the temperatures in Grimsby in April?
What is the average humidity in April in Grimsby?
What is the driest month in Grimsby?
How many days does it rain in April in Grimsby?
When it does not snow in Grimsby?
Does it snow in Grimsby in April?
What is the sea water temperature in April in Grimsby?
What is the average length of the day in April in Grimsby?
When are sunrise and sunset in April in Grimsby?
How many hours of sunshine does Grimsby have in April?
How high is the UV index in April in Grimsby?
Average temperature in April
Grimsby, United Kingdom
- Average high temperature in April: 11.3°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in April: 5.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in April
Grimsby, United Kingdom
- Average pressure in April: 1015.5mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in April
Grimsby, United Kingdom
- Average wind speed in April: 17.5km/h
The windiest month (with the highest average wind speed) is December (23.4km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in April
Grimsby, United Kingdom
- Average humidity in April: 80%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
Grimsby, United Kingdom
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Grimsby, United Kingdom
- Average rainfall days in April: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in April
Grimsby, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Grimsby, United Kingdom
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Grimsby, United Kingdom
- Average sea temperature in April: 8.1°C
The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (6.6°C).
Average daylight in April /
Average sunshine in April
Grimsby, United Kingdom
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in April
Grimsby, United Kingdom
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in April
Grimsby, United Kingdom
- 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, November and December (UV index 2).
Average cloud cover in April
Grimsby, United Kingdom
- Average cloud cover in April: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 49).
Average visibility in April
Grimsby, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, August, September and October (10km).
The months with the lowest visibility are January, May, June, July, November and December (9km).
Grimsby, United Kingdom
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