Full Climate overview Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Guernsey Weather by Month: Temperature & Rainfall Guide

Guernsey is a region in the United Kingdom. Many people wonder what the weather conditions are in Guernsey over the year. What is the best time to visit Guernsey?

This page shows the average weather conditions by month in Guernsey over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

Guernsey in January

In St Peter Port you can expect cold maximum average daytime temperatures around 11°C (52°F) and nighttime temperatures around 8°C (46°F).

Find more detailed climate information for Guernsey in January here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

Marker color shows total monthly precipitation in January: pale blue is dry, deep blue is wet.

Guernsey in February

In St Peter Port you can expect cold maximum average daytime temperatures around 11°C (52°F) and nighttime temperatures around 7°C (45°F). On average, this month is the coldest month of the year in Guernsey.

Find more detailed climate information for Guernsey in February here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in February: blue is cold, red is hot.

Marker color shows total monthly precipitation in February: pale blue is dry, deep blue is wet.

Guernsey in March

In St Peter Port you can expect cold maximum average daytime temperatures around 11°C (52°F) and nighttime temperatures around 8°C (46°F).

Find more detailed climate information for Guernsey in March here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in March: blue is cold, red is hot.

Marker color shows total monthly precipitation in March: pale blue is dry, deep blue is wet.

Guernsey in April

In St Peter Port you can expect mild maximum average daytime temperatures around 12°C (54°F) and nighttime temperatures around 9°C (48°F).

Find more detailed climate information for Guernsey in April here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in April: blue is cold, red is hot.

Marker color shows total monthly precipitation in April: pale blue is dry, deep blue is wet.

Guernsey in May

In St Peter Port you can expect mild maximum average daytime temperatures around 14°C (57°F) and nighttime temperatures around 11°C (52°F).

Find more detailed climate information for Guernsey in May here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in May: blue is cold, red is hot.

Marker color shows total monthly precipitation in May: pale blue is dry, deep blue is wet.

Guernsey in June

In St Peter Port you can expect mild maximum average daytime temperatures around 16°C (61°F) and nighttime temperatures around 13°C (55°F).

Find more detailed climate information for Guernsey in June here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in June: blue is cold, red is hot.

Marker color shows total monthly precipitation in June: pale blue is dry, deep blue is wet.

Guernsey in July

In St Peter Port you can expect pleasant maximum average daytime temperatures around 18°C (64°F) and nighttime temperatures around 15°C (59°F).

Find more detailed climate information for Guernsey in July here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in July: blue is cold, red is hot.

Marker color shows total monthly precipitation in July: pale blue is dry, deep blue is wet.

Guernsey in August

In St Peter Port you can expect pleasant maximum average daytime temperatures around 19°C (66°F) and nighttime temperatures around 16°C (61°F). On average, this month is the warmest month of the year in Guernsey.

Find more detailed climate information for Guernsey in August here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

Marker color shows total monthly precipitation in August: pale blue is dry, deep blue is wet.

Guernsey in September

In St Peter Port you can expect pleasant maximum average daytime temperatures around 19°C (66°F) and nighttime temperatures around 16°C (61°F).

Find more detailed climate information for Guernsey in September here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

Guernsey in October

In St Peter Port you can expect mild maximum average daytime temperatures around 17°C (63°F) and nighttime temperatures around 14°C (57°F).

Find more detailed climate information for Guernsey in October here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in October: blue is cold, red is hot.

Marker color shows total monthly precipitation in October: pale blue is dry, deep blue is wet.

Guernsey in November

In St Peter Port you can expect mild maximum average daytime temperatures around 14°C (57°F) and nighttime temperatures around 11°C (52°F).

Find more detailed climate information for Guernsey in November here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in November: blue is cold, red is hot.

Marker color shows total monthly precipitation in November: pale blue is dry, deep blue is wet.

Guernsey in December

In St Peter Port you can expect mild maximum average daytime temperatures around 12°C (54°F) and nighttime temperatures around 9°C (48°F).

Find more detailed climate information for Guernsey in December here.

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

Marker color shows total monthly precipitation in December: pale blue is dry, deep blue is wet.

Top destinations

More climate information for the top 4 destinations in Guernsey:

St Peter Port, Guernsey St Martin Guernsey, Guernsey St Saviour Guernsey, Guernsey Castel, Guernsey

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