April weather forecast
Harwich, United Kingdom

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Weather in April

April is a cool spring month in Harwich, United Kingdom, with temperature in the range of an average high of 11.3°C (52.3°F) and an average low of 7.1°C (44.8°F).

Temperature

In April, Harwich experiences a minor shift in meteorological conditions with average high-temperatures marked at a fresh 11.3°C (52.3°F), closely mirroring the climate in March. Harwich observes a slightly reduced average nighttime temperature of 7.1°C (44.8°F) during April.

Humidity

In Harwich, the average relative humidity in April is 80%.

Rainfall

April is the month with the least rainfall. Rain falls for 12.3 days and accumulates 16mm (0.63") of precipitation.

Snowfall

April through October are months without snowfall in Harwich.

Sea temperature

In Harwich, the average seawater temperature in April is 9°C (48.2°F).
Note: Dipping into 9°C (48.2°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.

Daylight

In April, the average length of the day is 13h and 56min.
On the first day of April in Harwich, United Kingdom, sunrise is at 6:28 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:18 pm BST.

Sunshine

The average sunshine in April is 8.6h.

UV index

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in April translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are April temperatures in Harwich?

The high-temperature, in April, in Harwich, is 11.3°C (52.3°F), while the low-temperature averages to 7.1°C (44.8°F).

What is the average humidity in April in Harwich?

The average relative humidity in April in Harwich is 80%.

What is the driest month in Harwich?

April is the month with the least rainfall. Rain falls for 12.3 days and accumulates 16mm (0.63") of precipitation.

How many days does it rain in April in Harwich?

In Harwich, in April, it is raining for 12.3 days, with typically 16mm (0.63") of accumulated precipitation.

When it does not snow in Harwich?

In Harwich, snow does not fall in April through October.

Does it snow in Harwich in April?

In April, in Harwich, United Kingdom, it doesn't snow. March is the latest month when it typically snows.

How cold is the water in April in Harwich?

In Harwich, the average seawater temperature in April is 9°C (48.2°F). Swimming in 9°C (48.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Harwich have in April?

The average day length in April in Harwich is 13h and 56min.

What time are sunrise and sunset in April in Harwich?

In April, on the first day of the month, sunrise is at 6:28 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:18 pm BST.

How long on average sun shines in April in Harwich?

In Harwich, United Kingdom, the average sunshine duration in April is 8.6h.

What is the UV index reading in April in Harwich?

In April, the average daily maximum UV index in Harwich, United Kingdom, is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Harwich, United Kingdom

Average temperature in April - Harwich, United Kingdom
  • Average high temperature in April: 11.3°C

The warmest month (with the highest average high temperature) is August (20°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in April: 7.1°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4°C).

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Average pressure in April
Harwich, United Kingdom

Average pressure in April - Harwich, United Kingdom
  • Average pressure in April: 1015.8mbar

The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

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Average wind speed in April
Harwich, United Kingdom

Average wind speed in April - Harwich, United Kingdom
  • Average wind speed in April: 18.5km/h

The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).

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Average humidity in April
Harwich, United Kingdom

Average humidity in April - Harwich, United Kingdom
  • Average humidity in April: 80%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in April
Harwich, United Kingdom

Average rainfall in April - Harwich, United Kingdom
  • Average rainfall in April: 16mm

The wettest month (with the highest rainfall) is October (46mm).
The driest month (with the least rainfall) is April (16mm).

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Average rainfall days in April
Harwich, United Kingdom

Average rainfall days in April - Harwich, United Kingdom
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is September (11.8 days).

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Average snowfall in April
Harwich, United Kingdom

Average snowfall in April - Harwich, United Kingdom
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in April
Harwich, United Kingdom

Average snowfall days in April - Harwich, United Kingdom
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Harwich, United Kingdom

Average sea temperature in April - Harwich, United Kingdom
  • Average sea temperature in April: 9°C

The best month for swimming (with the highest average sea temperature) is September (17.7°C).
The coldest month (with the lowest average sea temperature) is March (7.2°C).

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Average daylight in April /
Average sunshine in April
Harwich, United Kingdom

Average daylight in April / Average sunshine in April - Harwich, United Kingdom
  • Average daylight in April: 13h and 5min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in April
Harwich, United Kingdom

Average sunshine days in April - Harwich, United Kingdom
  • Average sunshine days in April: 15.1 days

The months with the most sunshine days are April and September (15.1 days).
The month with the least sunshine days is February (11.1 days).

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Average UV index in April
Harwich, United Kingdom

Average UV index in April - Harwich, United Kingdom
  • Average UV index in April: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Harwich, United Kingdom

Average cloud cover in April - Harwich, United Kingdom
  • Average cloud cover in April: 43

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).

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Average visibility in April
Harwich, United Kingdom

Average visibility in April - Harwich, United Kingdom
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Harwich, United Kingdom

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