Saint Peter Port
Guernsey
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Saint Peter Port, Guernsey

A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor, and a clear skyline in the horizon
A calm sunny day in Saint Peter Port, Guernsey, with ships docked at the harbor, and a clear skyline in the horizon
March, the first month of the spring, in Saint Peter Port, is also a frosty month, with temperature in the range of an average low of 7.4°C (45.3°F) and an average high of 9.8°C (49.6°F).

Temperature

In Saint Peter Port, the average high-temperature in March is almost the same as in February - a still chilly 9.8°C (49.6°F). The average low-temperature, in March, is 7.4°C (45.3°F).

Humidity

In March, the average relative humidity is 80%.

Rainfall

In March, the rain falls for 17 days. Throughout March, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

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

Sea temperature

Months with the coldest seawater are February and March, with an average sea temperature of 9°C (48.2°F).
Note: 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.

Daylight

In Saint Peter Port, the average length of the day is 11.9h.

Sunshine

The average sunshine in Saint Peter Port is 6.2h.

UV index

In Saint Peter Port, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in March in Saint Peter Port?

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

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

In Saint Peter Port, in March, it is raining for 17 days, with typically 38mm (1.5") of accumulated precipitation.

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?

February and March, with an average sea temperature of 9°C (48.2°F), are months with the coldest seawater.

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

In March, the average sea temperature 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 Saint Peter Port have in March?

In Saint Peter Port, Guernsey, the average length of the day in March is 11.9h.

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

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

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

In Saint Peter Port, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
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).

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

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

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 lowest rainfall) is July (26mm).

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 lowest number of rainy days is June (11.5 days).

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

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

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).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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).
Coldest months (with the lowest average sea temperature) are February and March (9°C).

Average daylight in March / Average sunshine in March - Saint Peter Port, Guernsey
  • Average daylight in March: 11.9h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in March: 6.2h

The month with most sunshine is July (Average sunshine: 9.7h).
Months with least sunshine are January, November and December (Average sunshine: 3.9).

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

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).