April weather forecast
Saint Peter Port, Guernsey

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A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor
A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor

Weather in April

April in Saint Peter Port, Guernsey is marked by the full onset of spring, with noticeably warmer days. Rainfall during April is recorded at only 32mm (1.26") and is dispersed over fewer days. The wind speeds decrease significantly, offering a welcome respite from the nippiness felt in the preceding months. The sea is gradually warming and daylight hours have increased substantially as compared to March, marking a noticeable shift towards the summer months.

Temperature

Saint Peter Port experiences an average high-temperature of a fresh 11°C (51.8°F) in April, subtly different from March's 9.8°C (49.6°F). During the month of April, Saint Peter Port's average nighttime temperature closely mirrors its daytime counterpart, at a frosty 8.9°C (48°F).

Humidity

In Saint Peter Port, the average relative humidity in April is 80%.

Rainfall

In April, in Saint Peter Port, the rain falls for 13.3 days. Throughout April, 32mm (1.26") of precipitation is accumulated. In Saint Peter Port, Guernsey, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

February through December are months without snowfall.

Sea temperature

In Saint Peter Port, in April, the average water temperature is 10°C (50°F).
Note: To swim in 10°C (50°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.

Daylight

In Saint Peter Port, the average length of the day in April is 13h and 46min.
On the first day of April in Saint Peter Port, Guernsey, sunrise is at 06:45 and sunset at 19:41. On the last day of the month, sunrise is at 05:48 and sunset at 20:26 BST.

Sunshine

In April, the average sunshine in Saint Peter Port is 9.1h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 3 in April translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the average April temperature in Saint Peter Port?

In Saint Peter Port, 11°C (51.8°F) is the average high-temperature and 8.9°C (48°F) is the average low-temperature during April.

What is the average humidity in April in Saint Peter Port?

In Saint Peter Port, Guernsey, the average relative humidity in April is 80%.

How many days does it rain in April in Saint Peter Port?

In Saint Peter Port, Guernsey, in April, during 13.3 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

When it does not snow in Saint Peter Port?

February through December are months without snowfall in Saint Peter Port, Guernsey.

What is the water temperature in April in Saint Peter Port?

In Saint Peter Port, in April, the average water temperature is 10°C (50°F). Swimming in 10°C (50°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April in Saint Peter Port?

In April, the average day length is 13h and 46min.

What time are sunrise and sunset in April in Saint Peter Port?

On the first day of April in Saint Peter Port, Guernsey, sunrise is at 06:45 and sunset at 19:41. On the last day of the month, sunrise is at 05:48 and sunset at 20:26 BST.

How long on average sun shines in April in Saint Peter Port?

The average sunshine duration in April in Saint Peter Port is 9.1h.

How high is the UV index in April in Saint Peter Port?

In Saint Peter Port, Guernsey, the average daily maximum UV index in April is 3. 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
Saint Peter Port, Guernsey

Average temperature in April - Saint Peter Port, Guernsey
  • Average high temperature in April: 11°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

  • Average low temperature in April: 8.9°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

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Average pressure in April
Saint Peter Port, Guernsey

Average pressure in April - Saint Peter Port, Guernsey
  • Average pressure in April: 1015.6mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

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Average wind speed in April
Saint Peter Port, Guernsey

Average wind speed in April - Saint Peter Port, Guernsey
  • Average wind speed in April: 25km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

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Average humidity in April
Saint Peter Port, Guernsey

Average humidity in April - Saint Peter Port, Guernsey
  • Average humidity in April: 80%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).

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Average rainfall in April
Saint Peter Port, Guernsey

Average rainfall in April - Saint Peter Port, Guernsey
  • Average rainfall in April: 32mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

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Average rainfall days in April
Saint Peter Port, Guernsey

Average rainfall days in April - Saint Peter Port, Guernsey
  • Average rainfall days in April: 13.3 days

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

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Average snowfall in April
Saint Peter Port, Guernsey

Average snowfall in April - Saint Peter Port, Guernsey
  • Average snowfall in April: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in April
Saint Peter Port, Guernsey

Average snowfall days in April - Saint Peter Port, Guernsey
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in April
Saint Peter Port, Guernsey

Average sea temperature in April - Saint Peter Port, Guernsey
  • Average sea temperature in April: 10°C

The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest months (with the lowest average sea temperature) are February and March (9°C).

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Average daylight in April /
Average sunshine in April
Saint Peter Port, Guernsey

Average daylight in April / Average sunshine in April - Saint Peter Port, Guernsey
  • Average daylight in April: 13h and 5min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in April: 9h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

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Average sunshine days in April
Saint Peter Port, Guernsey

Average sunshine days in April - Saint Peter Port, Guernsey
  • Average sunshine days in April: 14.8 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

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Average UV index in April
Saint Peter Port, Guernsey

Average UV index in April - Saint Peter Port, Guernsey
  • Average UV index in April: 3

The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in April
Saint Peter Port, Guernsey

Average cloud cover in April - Saint Peter Port, Guernsey
  • Average cloud cover in April: 40

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in April
Saint Peter Port, Guernsey

Average visibility in April - Saint Peter Port, Guernsey
  • 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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Saint Peter Port, Guernsey

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