January weather forecast and climate
Rochester, United Kingdom

Weather in January

January, like December, is another chilly winter month in Rochester, United Kingdom, with average temperature varying between 6.8°C (44.2°F) and 2.8°C (37°F).

Temperature

With an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.8°C (37°F), January is the coldest month.

Humidity

The average relative humidity in Rochester is 87%.

Rainfall

In January, the rain falls for 15.4 days. Throughout January, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 174.7 rainfall days, and 446mm (17.56") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Rochester, United Kingdom. In January, it is snowing for 2.5 days. Throughout January, 17mm (0.67") of snow is accumulated. In Rochester, during the entire year, snow falls for 9.7 days, and aggregates up to 69mm (2.72") of snow.

Daylight

In January, the average length of the day is 8.5h.

Sunshine

In January, the average sunshine is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the coldest month in Rochester?

With an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.8°C (37°F), January is the coldest month.

What is the average humidity in January in Rochester?

The average relative humidity in January in Rochester is 87%.

How many days does it rain in January in Rochester?

In Rochester, in January, it is raining for 15.4 days, with typically 38mm (1.5") of accumulated precipitation.

How much does it snow in Rochester in January?

In Rochester, in January, snow falls for 2.5 days, with typically accumulated 17mm (0.67") of snow.

What is the average length of the day in January in Rochester?

The average length of the day in January in Rochester, United Kingdom, is 8.5h.

How many hours of sunshine does Rochester have in January?

The average sunshine in January in Rochester is 4.2h.

When is the lowest UV index in Rochester?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rochester.

What is the UV index intensity in January in Rochester?

In Rochester, United Kingdom, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.

Average temperature in January
Rochester, United Kingdom

Average temperature in January - Rochester, United Kingdom
  • Average high temperature in January: 6.8°C

The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in January: 2.8°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

[Resources]

Average pressure in January
Rochester, United Kingdom

Average pressure in January - Rochester, United Kingdom
  • Average pressure in January: 1014.8mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).

[Resources]

Average wind speed in January
Rochester, United Kingdom

Average wind speed in January - Rochester, United Kingdom
  • Average wind speed in January: 18.9km/h

The windiest months (with the highest average wind speed) are February and December (19.6km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).

[Resources]

Average humidity in January
Rochester, United Kingdom

Average humidity in January - Rochester, United Kingdom
  • Average humidity in January: 87%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).

[Resources]

Average rainfall in January
Rochester, United Kingdom

Average rainfall in January - Rochester, United Kingdom
  • Average rainfall in January: 38mm

The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (24mm).

[Resources]

Average rainfall days in January
Rochester, United Kingdom

Average rainfall days in January - Rochester, United Kingdom
  • Average rainfall days in January: 15.4 days

The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12 days).

[Resources]

Average snowfall in January
Rochester, United Kingdom

Average snowfall in January - Rochester, United Kingdom
  • Average snowfall in January: 17mm

The month with the highest snowfall is February (26mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in January
Rochester, United Kingdom

Average snowfall days in January - Rochester, United Kingdom
  • Average snowfall days in January: 2.5 days

The month with the highest number of snowfall days is February (3.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Rochester, United Kingdom

Average daylight in January / Average sunshine in January - Rochester, United Kingdom
  • Average daylight in January: 8.5h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in January: 4.2h

Months with the most sunshine are July and August (Average sunshine: 8.7h).
The month with the least sunshine is February (Average sunshine: 3.7h).

[Resources]

Average sunshine days in January
Rochester, United Kingdom

Average sunshine days in January - Rochester, United Kingdom
  • Average sunshine days in January: 12.2 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is November (9.7 days).

[Resources]

Average UV index in January
Rochester, United Kingdom

Average UV index in January - Rochester, United Kingdom
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in January
Rochester, United Kingdom

Average cloud cover in January - Rochester, United Kingdom
  • Average cloud cover in January: 57

The month with the most cloud cover is February (Cloud cover 60).
Months with the least cloud cover are August and September (Cloud cover 43).

[Resources]

Average visibility in January
Rochester, United Kingdom

Average visibility in January - Rochester, United Kingdom
  • Average visibility in January: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location