January weather forecast
Rosalie, Dominica

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Weather in January

Transitioning from the cool December, January in Rosalie, Dominica sees a slight uptick in temperature. Notably, the average high temperature reaches up to 26.5°C (79.7°F) and the low averages at 24.6°C (76.3°F). The onset of the year thus witnesses relatively warm yet pleasant weather, perfect for outdoor activities. While humidity remains moderately high, it does not impact comfort significantly. The wind speed is fairly consistent, ensuring gentle breezes throughout the day.

Temperature

January's arrival in Rosalie, Dominica, brings an average high-temperature of a still warm 26.5°C (79.7°F), demonstrating subtle variation from the preceding month. Rosalie's average temperature throughout the nights in January exhibits a minor decrease from daytime highs, stabilizing at a still moderately hot 24.6°C (76.3°F).

Humidity

The months with the lowest humidity are January through March, with an average relative humidity of 75%.

Rainfall

In January, in Rosalie, the rain falls for 18.5 days. Throughout January, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 221.9 rainfall days, and 570mm (22.44") of precipitation is accumulated.

Daylight

In January, the average length of the day in Rosalie is 11h and 20min.
On the first day of the month, sunrise is at 06:31 and sunset at 17:45. On the last day of January, sunrise is at 06:34 and sunset at 18:02 AST.

Sunshine

In January, the average sunshine in Rosalie is 7.3h.

UV index

The months with the highest UV index 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 of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a regular UV index of 7 translates into these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What are January temperatures in Rosalie?

The high-temperature during January is 26.5°C (79.7°F) and the low-temperature is 24.6°C (76.3°F).

What is the least humid month in Rosalie?

January through March, with an average relative humidity of 75%, are the least humid months in Rosalie.

What is the average humidity in January in Rosalie?

The average relative humidity in January in Rosalie, Dominica, is 75%.

How many days does it rain in January in Rosalie?

In January, the rain falls for 18.5 days. Throughout January, 28mm (1.1") of precipitation is accumulated.

How many hours of daylight does Rosalie have in January?

In January, the average day length is 11h and 20min.

When are sunrise and sunset in January in Rosalie?

On the first day of January, sunrise is at 06:31 and sunset at 17:45. On the last day of the month, sunrise is at 06:34 and sunset at 18:02 AST.

How many hours of sunshine does Rosalie have in January?

The average sunshine duration in January is 7.3h.

What is the month with the highest UV index in Rosalie?

The months with the highest UV index in Rosalie, Dominica, are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Rosalie?

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

What is the UV index reading in January in Rosalie?

In January, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in January
Rosalie, Dominica

Average temperature in January - Rosalie, Dominica
  • Average high temperature in January: 26.5°C

The warmest months (with the highest average high temperature) are August, September and October (28.6°C).
The months with the lowest average high temperature are February and March (26.3°C).

  • Average low temperature in January: 24.6°C

The month with the highest average low temperature is September (27.1°C).
The coldest month (with the lowest average low temperature) is March (24.1°C).

Average pressure in January
Rosalie, Dominica

Average pressure in January - Rosalie, Dominica
  • Average pressure in January: 1015.5mbar

The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

Average wind speed in January
Rosalie, Dominica

Average wind speed in January - Rosalie, Dominica
  • Average wind speed in January: 27.2km/h

The windiest month (with the highest average wind speed) is January (27.2km/h).
The calmest month (with the lowest average wind speed) is October (20.2km/h).

Average humidity in January
Rosalie, Dominica

Average humidity in January - Rosalie, Dominica
  • Average humidity in January: 75%

The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).

Average rainfall in January
Rosalie, Dominica

Average rainfall in January - Rosalie, Dominica
  • Average rainfall in January: 28mm

The wettest month (with the highest rainfall) is August (78mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in January
Rosalie, Dominica

Average rainfall days in January - Rosalie, Dominica
  • Average rainfall days in January: 18.5 days

The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is June (14.8 days).

Average daylight in January /
Average sunshine in January
Rosalie, Dominica

Average daylight in January / Average sunshine in January - Rosalie, Dominica
  • Average daylight in January: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in January: 7h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in January
Rosalie, Dominica

Average sunshine days in January - Rosalie, Dominica
  • Average sunshine days in January: 8.5 days

The month with the most sunshine days is March (9.8 days).
The month with the least sunshine days is April (5.9 days).

Average UV index in January
Rosalie, Dominica

Average UV index in January - Rosalie, Dominica
  • 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
Rosalie, Dominica

Average cloud cover in January - Rosalie, Dominica
  • Average cloud cover in January: 35

The months with the most cloud cover are June and July (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 33).

Average visibility in January
Rosalie, Dominica

Average visibility in January - Rosalie, Dominica
  • 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).

Rosalie, Dominica

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