January weather forecast
Saint Andrew, Guernsey

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Weather in January

January in Saint Andrew, Guernsey, is characterized by chilly temperatures and frequent rainfall. As the year begins, residents brace for the typically cooler days with the mercury reading between 7.8°C (46°F) and 9.8°C (49.6°F). Winds of up to 34.1km/h (21.2mph) are observed, with rare gusts reaching up to 47.7km/h (29.6mph). The sky is generally overcast, yet a decent amount of sunshine still manages to bless the city. Coupled with greater rainfall, these conditions make the weather feel frigid in January.

Temperature

Saint Andrew experiences a recorded average high-temperature of a frosty 9.8°C (49.6°F) in January, closely aligned with December's 11.1°C (52°F). During January, nights cool slightly to an average low of 7.8°C (46°F).

Humidity

The average relative humidity in January in Saint Andrew, Guernsey, is 78%.

Rainfall

In Saint Andrew, Guernsey, in January, it is raining for 22 days, with typically 63mm (2.48") of accumulated precipitation. In Saint Andrew, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

The only month with snowfall in Saint Andrew is January. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 2mm (0.08") of snow.

Daylight

In Saint Andrew, the average length of the day in January is 8h and 43min.
On the first day of January, sunrise is at 08:06 and sunset at 16:21. On the last day of the month, sunrise is at 07:43 and sunset at 17:03 GMT.

Sunshine

The months with the least sunshine in Saint Andrew are January, November and December, with an average of 3.9h of sunshine.

UV index

In January, the average daily maximum UV index in Saint Andrew is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during January morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What is the temperature in January in Saint Andrew?

The average high-temperature, in January, in Saint Andrew, is 9.8°C (49.6°F), while the average low-temperature is 7.8°C (46°F).

What is the average humidity in January in Saint Andrew?

In January, the average relative humidity in Saint Andrew, Guernsey, is 78%.

How many days does it rain in January in Saint Andrew?

In Saint Andrew, Guernsey, in January, it is raining for 22 days, with typically 63mm (2.48") of accumulated precipitation.

When does it snow the most in Saint Andrew?

The month with the most snowfall in Saint Andrew is January, when snow falls for 0.3 days and typically aggregates up to 2mm (0.08") of snow.

When does it start to snow in Saint Andrew?

January is the first month it typically snows in Saint Andrew. Throughout January, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow.

What is the average length of the day in January in Saint Andrew?

The average day length in January in Saint Andrew, Guernsey, is 8h and 43min.

What time are sunrise and sunset in January in Saint Andrew?

On the first day of January in Saint Andrew, sunrise is at 08:06 and sunset at 16:21. On the last day of the month, sunrise is at 07:43 and sunset at 17:03 GMT.

What are the months with the least sunshine in Saint Andrew?

January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Saint Andrew.

How long on average sun shines in January in Saint Andrew?

In Saint Andrew, Guernsey, the average sunshine duration in January is 3.9h.

How high is the UV index in January in Saint Andrew?

In Saint Andrew, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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 January
Saint Andrew, Guernsey

Average temperature in January - Saint Andrew, Guernsey
  • Average high temperature in January: 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 January: 7.8°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 pressure in January
Saint Andrew, Guernsey

Average pressure in January - Saint Andrew, Guernsey
  • Average pressure in January: 1016.1mbar

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

Average wind speed in January
Saint Andrew, Guernsey

Average wind speed in January - Saint Andrew, Guernsey
  • Average wind speed in January: 34.1km/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).

Average humidity in January
Saint Andrew, Guernsey

Average humidity in January - Saint Andrew, Guernsey
  • Average humidity in January: 78%

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

Average rainfall in January
Saint Andrew, Guernsey

Average rainfall in January - Saint Andrew, Guernsey
  • Average rainfall in January: 63mm

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

Average rainfall days in January
Saint Andrew, Guernsey

Average rainfall days in January - Saint Andrew, Guernsey
  • Average rainfall days in January: 22 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).

Average snowfall in January
Saint Andrew, Guernsey

Average snowfall in January - Saint Andrew, Guernsey
  • Average snowfall in January: 2mm

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).

Average snowfall days in January
Saint Andrew, Guernsey

Average snowfall days in January - Saint Andrew, Guernsey
  • Average snowfall days in January: 0.3 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).

Average daylight in January /
Average sunshine in January
Saint Andrew, Guernsey

Average daylight in January / Average sunshine in January - Saint Andrew, Guernsey
  • Average daylight in January: 8h and 4min

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 January: 3h and 5min

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).

Average sunshine days in January
Saint Andrew, Guernsey

Average sunshine days in January - Saint Andrew, Guernsey
  • Average sunshine days in January: 5.5 days

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

Average UV index in January
Saint Andrew, Guernsey

Average UV index in January - Saint Andrew, Guernsey
  • Average UV index in January: 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).

Average cloud cover in January
Saint Andrew, Guernsey

Average cloud cover in January - Saint Andrew, Guernsey
  • Average cloud cover in January: 62

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).

Average visibility in January
Saint Andrew, Guernsey

Average visibility in January - Saint Andrew, Guernsey
  • Average visibility in January: 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).

Saint Andrew, Guernsey

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