January weather forecast and climate
George Town, Cayman Islands

The scenic waterfront in George Town, Cayman Islands, viewed from the water on a warm sunny day
The scenic waterfront in George Town, Cayman Islands, viewed from the water on a warm sunny day
January, like December, in George Town, Cayman Islands, is another warm winter month, with average temperature fluctuating between 26°C (78.8°F) and 23°C (73.4°F).
The ideal sea water temperature of 26.6°C (79.9°F) and only 5 rainfall days, with 71mm (2.8") of accumulated rainfall, makes January the best time for swimming and other water activities.

Temperature

The coldest months in George Town are January and February, with an average high-temperature of 26°C (78.8°F).

Rainfall

In January, the rain falls for 5 days. Throughout January, 71mm (2.8") of precipitation is accumulated. Throughout the year, there are 80 rainfall days, and 1282mm (50.47") of precipitation is accumulated.

Sea temperature

In George Town, the average seawater temperature in January is 26.6°C (79.9°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In January, the average length of the day in George Town is 11.1h.

Sunshine

In George Town, the average sunshine is 8h.

UV index

In George Town, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in George Town?

January and February, with an average high-temperature of 26°C (78.8°F), are the coldest months in George Town, Cayman Islands.

What is the temperature in January in George Town?

In January, in George Town, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in George Town in January?

In George Town, in January, it is raining for 5 days, with typically 71mm (2.8") of accumulated precipitation.

How warm is the water in January in George Town?

In George Town, Cayman Islands, the average seawater temperature in January is 26.6°C (79.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does George Town have in January?

The average length of the day in January is 11.1h.

How long on average sun shines in January in George Town?

In George Town, Cayman Islands, the average sunshine in January is 8h.

What is the UV index intensity in January in George Town?

The average daily maximum UV index in January in George Town is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - George Town, Cayman Islands
  • Average high temperature in January: 26°C

The warmest months (with the highest average high temperature) are June, July, August and September (30°C).
Months with the lowest average high temperature are January and February (26°C).

  • Average low temperature in January: 23°C

Months with the highest average low temperature are June, July and August (27°C).
The coldest month (with the lowest average low temperature) is February (22°C).

Average rainfall in January - George Town, Cayman Islands
  • Average rainfall in January: 71mm

The wettest month (with the highest rainfall) is October (226mm).
The driest months (with the least rainfall) are February and April (13mm).

Average rainfall days in January - George Town, Cayman Islands
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is October (10 days).
Months with the least rainy days are February, March and April (4 days).

Average sea temperature in January - George Town, Cayman Islands
  • Average sea temperature in January: 26.6°C

The best months for swimming (with the highest average sea temperature) are August and September (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.5°C).

Average daylight in January / Average sunshine in January - George Town, Cayman Islands
  • Average daylight in January: 11.1h

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 11h).

  • Average sunshine in January: 8h

The month with the most sunshine is April (Average sunshine: 10h).
Months with the least sunshine are November and December (Average sunshine: 7).

Average UV index in January - George Town, Cayman Islands
  • Average UV index in January: 8

Months with the highest UV index are March, April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).