January weather forecast
Charlestown, Saint Vincent and the Grenadines

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Weather in January

Moving into the New Year, Charlestown greets residents and visitors with mild warmth. This coastal city experiences relatively stable weather conditions through the month, with high humidity and brisk winds. January offers plenty of daylight for outdoor activities at a pleasant maximum temperature of 26.9°C (80.4°F). Those who love the sea, rain or shine, might find delight in January's average rainfall of 26mm (1.02"), making it a favorable month for a vacation. It is the beginning of a year and Charlestown kicks off with comfortable warmth and a moderate rainy spell.

Temperature

The arrival of January marks a slight shift to an average high-temperature of a still moderately hot 26.9°C (80.4°F) from December's 27.6°C (81.7°F). Charlestown notes an average temperature descent to a still moderately hot 25.8°C (78.4°F) in January, a small shift from its daytime peak.

Humidity

In January, the average relative humidity in Charlestown is 76%.

Rainfall

In January, the rain falls for 18.7 days. Throughout January, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Charlestown, there are 238.6 rainfall days, and 627mm (24.69") of precipitation is accumulated.

Daylight

In January, the average length of the day is 11h and 29min.
On the first day of January in Charlestown, sunrise is at 06:26 and sunset at 17:50. On the last day of the month, sunrise is at 06:31 and sunset at 18:06 AST.

Sunshine

In January, the average sunshine in Charlestown is 7.5h.

UV index

The months with the highest UV index in Charlestown are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in January leads to these recommendations:
Ward off overexposure. Defence against solar harm is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for Charlestown in January?

January temperatures in Charlestown vary between a high-temperature of 26.9°C (80.4°F) and a low-temperature of 25.8°C (78.4°F).

What is the average humidity in January in Charlestown?

The average relative humidity in January in Charlestown is 76%.

How many days does it rain in January in Charlestown?

In Charlestown, in January, during 18.7 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

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

The average day length in January in Charlestown is 11h and 29min.

When are sunrise and sunset in January in Charlestown?

In January, on the first day of the month, sunrise is at 06:26 and sunset at 17:50. On the last day of the month, in Charlestown, sunrise is at 06:31 and sunset at 18:06 AST.

How long on average sun shines in January in Charlestown?

In January, the average sunshine duration in Charlestown is 7.5h.

What are the months with the highest UV index in Charlestown?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Charlestown, Saint Vincent and the Grenadines.

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

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Charlestown.

What is the UV index intensity in January in Charlestown?

In January, the average daily maximum UV index in Charlestown, Saint Vincent and the Grenadines, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in January
Charlestown, Saint Vincent and the Grenadines

Average temperature in January - Charlestown, Saint Vincent and the Grenadines
  • Average high temperature in January: 26.9°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in January: 25.8°C

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure in January
Charlestown, Saint Vincent and the Grenadines

Average pressure in January - Charlestown, Saint Vincent and the Grenadines
  • Average pressure in January: 1014.2mbar

The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in January
Charlestown, Saint Vincent and the Grenadines

Average wind speed in January - Charlestown, Saint Vincent and the Grenadines
  • Average wind speed in January: 29km/h

The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).

Average humidity in January
Charlestown, Saint Vincent and the Grenadines

Average humidity in January - Charlestown, Saint Vincent and the Grenadines
  • Average humidity in January: 76%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall in January
Charlestown, Saint Vincent and the Grenadines

Average rainfall in January - Charlestown, Saint Vincent and the Grenadines
  • Average rainfall in January: 26mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in January
Charlestown, Saint Vincent and the Grenadines

Average rainfall days in January - Charlestown, Saint Vincent and the Grenadines
  • Average rainfall days in January: 18.7 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).

Average daylight in January /
Average sunshine in January
Charlestown, Saint Vincent and the Grenadines

Average daylight in January / Average sunshine in January - Charlestown, Saint Vincent and the Grenadines
  • Average daylight in January: 11h and 3min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in January: 7h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in January
Charlestown, Saint Vincent and the Grenadines

Average sunshine days in January - Charlestown, Saint Vincent and the Grenadines
  • Average sunshine days in January: 7.1 days

The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).

Average UV index in January
Charlestown, Saint Vincent and the Grenadines

Average UV index in January - Charlestown, Saint Vincent and the Grenadines
  • Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in January
Charlestown, Saint Vincent and the Grenadines

Average cloud cover in January - Charlestown, Saint Vincent and the Grenadines
  • Average cloud cover in January: 37

The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility in January
Charlestown, Saint Vincent and the Grenadines

Average visibility in January - Charlestown, Saint Vincent and the Grenadines
  • 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).

Charlestown, Saint Vincent and the Grenadines

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