January weather forecast
Dollymount, Ireland

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Weather in January

January, the same as December, in Dollymount, Ireland, is a frosty winter month, with an average temperature fluctuating between 7.8°C (46°F) and 4.5°C (40.1°F).

Temperature

Dollymount's lowest temperatures tend to occur in January and February, with an average high-temperature of 7.8°C (46°F).

Humidity

The average relative humidity in January in Dollymount, Ireland, is 84%.

Rainfall

In Dollymount, in January, during 16.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Dollymount, during the entire year, the rain falls for 200.5 days and collects up to 530mm (20.87") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Dollymount, during January, snow falls for 1.3 days and regularly aggregates up to 5mm (0.2") of snow. In Dollymount, during the entire year, snow falls for 4.6 days and aggregates up to 24mm (0.94") of snow.

Daylight

The average length of the day in January in Dollymount is 8h and 10min.
On the first day of the month, sunrise is at 8:39 am and sunset at 4:16 pm. On the last day of January, in Dollymount, sunrise is at 8:11 am and sunset at 5:04 pm GMT.

Sunshine

In January, the average sunshine is 4.4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dollymount, Ireland. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What month is the coldest in Dollymount?

In Dollymount, the months of January and February are known for the lowest temperatures, reaching an average high of 7.8°C (46°F).

What is the temperature in January in Dollymount?

In January, in Dollymount, the average high-temperature is 7.8°C (46°F), and the average low-temperature is 4.5°C (40.1°F).

What is the average humidity in January in Dollymount?

In January, the average relative humidity in Dollymount is 84%.

How many days does it rain in January in Dollymount?

In Dollymount, Ireland, during January, the rain falls for 16.6 days and regularly aggregates up to 41mm (1.61") of precipitation.

How many days does it snow in January in Dollymount?

In January, in Dollymount, Ireland, it is snowing for 1.3 days. Throughout January, 5mm (0.2") of snow is accumulated.

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

In Dollymount, the average day length in January is 8h and 10min.

What time are sunrise and sunset in January in Dollymount?

On the first day of January in Dollymount, Ireland, sunrise is at 8:39 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:04 pm GMT.

How long on average sun shines in January in Dollymount?

The average sunshine duration in January in Dollymount, Ireland, is 4.4h.

When is the lowest UV index in Dollymount?

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

How high is the UV index in January in Dollymount?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Dollymount, Ireland

Average temperature in January - Dollymount, Ireland
  • Average high temperature in January: 7.8°C

The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).

  • Average low temperature in January: 4.5°C

The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).

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Average pressure in January
Dollymount, Ireland

Average pressure in January - Dollymount, Ireland
  • Average pressure in January: 1011.6mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).

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Average wind speed in January
Dollymount, Ireland

Average wind speed in January - Dollymount, Ireland
  • Average wind speed in January: 25.8km/h

The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).

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Average humidity in January
Dollymount, Ireland

Average humidity in January - Dollymount, Ireland
  • Average humidity in January: 84%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).

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Average rainfall in January
Dollymount, Ireland

Average rainfall in January - Dollymount, Ireland
  • Average rainfall in January: 41mm

The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).

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Average rainfall days in January
Dollymount, Ireland

Average rainfall days in January - Dollymount, Ireland
  • Average rainfall days in January: 16.6 days

The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).

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Average snowfall in January
Dollymount, Ireland

Average snowfall in January - Dollymount, Ireland
  • Average snowfall in January: 5mm

The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in January
Dollymount, Ireland

Average snowfall days in January - Dollymount, Ireland
  • Average snowfall days in January: 1.3 days

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Dollymount, Ireland

Average daylight in January / Average sunshine in January - Dollymount, Ireland
  • Average daylight in January: 8h and 1min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).

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Average sunshine days in January
Dollymount, Ireland

Average sunshine days in January - Dollymount, Ireland
  • Average sunshine days in January: 10.9 days

The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in January
Dollymount, Ireland

Average UV index in January - Dollymount, Ireland
  • Average UV index in January: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Dollymount, Ireland

Average cloud cover in January - Dollymount, Ireland
  • Average cloud cover in January: 55

The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).

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Average visibility in January
Dollymount, Ireland

Average visibility in January - Dollymount, Ireland
  • Average visibility in January: 10km

The months with the highest visibility are January, March, October and November (10km).
The months with the lowest visibility are February, April, May, June, July, August, September and December (9km).

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Dollymount, Ireland

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