January weather forecast
Helensburgh, United Kingdom

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Weather in January

January, like December, in Helensburgh, United Kingdom, is a wintry winter month, with temperature in the range of an average low of 1.7°C (35.1°F) and an average high of 5°C (41°F).

Temperature

Helensburgh's January weather reaches an average high of 5°C (41°F) and an average low of 1.7°C (35.1°F), making it the coldest month.

Humidity

The months with the highest humidity are January, August through December, with an average relative humidity of 89%.

Rainfall

In Helensburgh, during January, the rain falls for 21.3 days and regularly aggregates up to 99mm (3.9") of precipitation. Throughout the year, there are 249.9 rainfall days, and 1079mm (42.48") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Helensburgh, in January, snow falls for 2.7 days, with typically accumulated 26mm (1.02") of snow. In Helensburgh, during the entire year, snow falls for 10.8 days and aggregates up to 115mm (4.53") of snow.

Sea temperature

In Helensburgh, the average seawater temperature in January is 8°C (46.4°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 Helensburgh, the average length of the day in January is 7h and 44min.
On the first day of January, sunrise is at 8:49 am and sunset at 3:54 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:48 pm GMT.

Sunshine

The average sunshine in January is 3.1h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 1 in January translates into these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What part of the year is the coldest in Helensburgh?

The month of January sees the average lowest temperatures in Helensburgh, reaching 5°C (41°F) at the peak and 1.7°C (35.1°F) at the low.

How cold is it in Helensburgh in January?

During January, Helensburgh experiences an average high-temperature of 5°C (41°F) and a low-temperature of 1.7°C (35.1°F).

What is the most humid month in Helensburgh?

The months with the highest humidity are January, August through December, with an average relative humidity of 89%.

What is the average humidity in January in Helensburgh?

In January, the average relative humidity in Helensburgh is 89%.

How much does it rain in Helensburgh in January?

In Helensburgh, during January, the rain falls for 21.3 days and regularly aggregates up to 99mm (3.9") of precipitation.

How much does it snow in Helensburgh in January?

In January, in Helensburgh, it is snowing for 2.7 days. Throughout January, 26mm (1.02") of snow is accumulated.

What is the water temperature in January in Helensburgh?

In January, the average sea temperature in Helensburgh is 8°C (46.4°F). 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.

How many hours of daylight does Helensburgh have in January?

In January, the average day length in Helensburgh is 7h and 44min.

When is the sunrise / sunset in January in Helensburgh?

In January, on the first day of the month, sunrise is at 8:49 am and sunset at 3:54 pm. On the last day of the month, in Helensburgh, sunrise is at 8:16 am and sunset at 4:48 pm GMT.

How many hours of sunshine does Helensburgh have in January?

In January, the average sunshine duration in Helensburgh, United Kingdom, is 3.1h.

What is the month with the lowest UV index in Helensburgh?

With an average maximum UV index of 1, January is the month with the lowest UV index in Helensburgh, United Kingdom.

How high is the UV index in January in Helensburgh?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health risk from 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 visibility

Average temperature in January
Helensburgh, United Kingdom

Average temperature in January - Helensburgh, United Kingdom
  • Average high temperature in January: 5°C

The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in January: 1.7°C

The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).

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Average pressure in January
Helensburgh, United Kingdom

Average pressure in January - Helensburgh, United Kingdom
  • Average pressure in January: 1008.6mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).

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Average wind speed in January
Helensburgh, United Kingdom

Average wind speed in January - Helensburgh, United Kingdom
  • Average wind speed in January: 19.3km/h

The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).

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Average humidity in January
Helensburgh, United Kingdom

Average humidity in January - Helensburgh, United Kingdom
  • Average humidity in January: 89%

The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).

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Average rainfall in January
Helensburgh, United Kingdom

Average rainfall in January - Helensburgh, United Kingdom
  • Average rainfall in January: 99mm

The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).

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Average rainfall days in January
Helensburgh, United Kingdom

Average rainfall days in January - Helensburgh, United Kingdom
  • Average rainfall days in January: 21.3 days

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).

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Average snowfall in January
Helensburgh, United Kingdom

Average snowfall in January - Helensburgh, United Kingdom
  • Average snowfall in January: 26mm

The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in January
Helensburgh, United Kingdom

Average snowfall days in January - Helensburgh, United Kingdom
  • Average snowfall days in January: 2.7 days

The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in January
Helensburgh, United Kingdom

Average sea temperature in January - Helensburgh, United Kingdom
  • Average sea temperature in January: 8°C

The best month for swimming (with the highest average sea temperature) is August (13.8°C).
The coldest month (with the lowest average sea temperature) is March (7.2°C).

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

Average daylight in January / Average sunshine in January - Helensburgh, United Kingdom
  • Average daylight in January: 7h and 4min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

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Average sunshine days in January
Helensburgh, United Kingdom

Average sunshine days in January - Helensburgh, United Kingdom
  • Average sunshine days in January: 6.7 days

The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).

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Average UV index in January
Helensburgh, United Kingdom

Average UV index in January - Helensburgh, United Kingdom
  • Average UV index in January: 1

The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in January
Helensburgh, United Kingdom

Average cloud cover in January - Helensburgh, United Kingdom
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).

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Average visibility in January
Helensburgh, United Kingdom

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

The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).

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Helensburgh, United Kingdom

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