March 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 March

As March rolls in, the first signs of spring are visible in Saint Peter Port, Guernsey with temperatures creeping up and an overall decrease in rainfall to 38mm (1.5") spread across fewer days. Although the days are becoming longer, wind speeds remain moderate, and the sea temperatures are still too low for most marine activities. The proportional level of cloud cover decreases, resulting in slightly more sunshine during the day. Despite the overall warmer weather, March maintains a relative humidity level comparable to February.

Temperature

March ushers in an average high-temperature of a still frosty 9.8°C (49.6°F), aligning closely with the preceding month. Nights in March in Saint Peter Port exhibit a minor reduction to an average low temperature of 7.4°C (45.3°F).

Humidity

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

Rainfall

In Saint Peter Port, Guernsey, in March, it is raining for 17 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Saint Peter Port, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

In Saint Peter Port, snow does not fall in February through December.

Sea temperature

February and March, with an average sea temperature of 9°C (48.2°F), are months with the coldest seawater.
Note: Staying in 9°C (48.2°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In Saint Peter Port, the average length of the day in March is 11h and 55min.
On the first day of March in Saint Peter Port, sunrise is at 06:51 and sunset at 17:53. On the last day of the month, sunrise is at 05:47 and sunset at 18:40 GMT.

Sunshine

The average sunshine in March in Saint Peter Port, Guernsey, is 6.2h.

UV index

In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 3 in March, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the average March temperature in Saint Peter Port?

An average high-temperature, in March, in Saint Peter Port, is 9.8°C (49.6°F) and the average low-temperature is 7.4°C (45.3°F).

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

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

How much does it rain in Saint Peter Port in March?

In Saint Peter Port, Guernsey, in March, during 17 rainfall days, 38mm (1.5") 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.

When is the sea coldest in Saint Peter Port?

The months with the coldest seawater in Saint Peter Port, Guernsey, are February and March, with an average sea temperature of 9°C (48.2°F).

How cold is the water in March in Saint Peter Port?

In March, the average sea temperature in Saint Peter Port is 9°C (48.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Saint Peter Port have in March?

In Saint Peter Port, the average day length in March is 11h and 55min.

When are sunrise and sunset in March in Saint Peter Port?

In March, on the first day of the month, sunrise is at 06:51 and sunset at 17:53. On the last day of the month, in Saint Peter Port, Guernsey, sunrise is at 05:47 and sunset at 18:40 GMT.

How many hours of sunshine does Saint Peter Port have in March?

In Saint Peter Port, the average sunshine duration in March is 6.2h.

What is the UV index reading in March in Saint Peter Port?

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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 March
Saint Peter Port, Guernsey

Average temperature in March - Saint Peter Port, Guernsey
  • Average high temperature in March: 9.8°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 March: 7.4°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 March
Saint Peter Port, Guernsey

Average pressure in March - Saint Peter Port, Guernsey
  • Average pressure in March: 1016.2mbar

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 March
Saint Peter Port, Guernsey

Average wind speed in March - Saint Peter Port, Guernsey
  • Average wind speed in March: 30.3km/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 March
Saint Peter Port, Guernsey

Average humidity in March - Saint Peter Port, Guernsey
  • Average humidity in March: 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 March
Saint Peter Port, Guernsey

Average rainfall in March - Saint Peter Port, Guernsey
  • Average rainfall in March: 38mm

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 March
Saint Peter Port, Guernsey

Average rainfall days in March - Saint Peter Port, Guernsey
  • Average rainfall days in March: 17 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 March
Saint Peter Port, Guernsey

Average snowfall in March - Saint Peter Port, Guernsey
  • Average snowfall in March: 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 March
Saint Peter Port, Guernsey

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

Average sea temperature in March - Saint Peter Port, Guernsey
  • Average sea temperature in March: 9°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 March /
Average sunshine in March
Saint Peter Port, Guernsey

Average daylight in March / Average sunshine in March - Saint Peter Port, Guernsey
  • Average daylight in March: 11h 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 March: 6h 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 March
Saint Peter Port, Guernsey

Average sunshine days in March - Saint Peter Port, Guernsey
  • Average sunshine days in March: 10.7 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 March
Saint Peter Port, Guernsey

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

Average cloud cover in March - Saint Peter Port, Guernsey
  • Average cloud cover in March: 51

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 March
Saint Peter Port, Guernsey

Average visibility in March - Saint Peter Port, Guernsey
  • Average visibility in March: 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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