January weather forecast
Mesa, Costa Rica

January

Weather in January

January, like December, in Mesa, Costa Rica, is another warm winter month, with an average temperature fluctuating between 13.8°C (56.8°F) and 23.9°C (75°F).

Temperature

Entering January, the average high-temperature is recorded at a still moderately hot 23.9°C (75°F), exhibiting a minimal shift from December's 23.4°C (74.1°F). An average temperature of 13.8°C (56.8°F) marks the nights in Mesa, Costa Rica, in January.

Humidity

The average relative humidity in January in Mesa, Costa Rica, is 78%.

Rainfall

In January, in Mesa, the rain falls for 14.3 days. Throughout January, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Mesa, there are 287.8 rainfall days, and 2585mm (101.77") of precipitation is accumulated.

Daylight

In Mesa, the average length of the day in January is 11h and 38min.
On the first day of the month, sunrise is at 05:53 and sunset at 17:27. On the last day of January, in Mesa, sunrise is at 05:58 and sunset at 17:41 CST.

Sunshine

The average sunshine in January in Mesa is 8.9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 5. January through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 5 in January leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the temperature in January in Mesa?
The high-temperature during January is 23.9°C (75°F) and the low-temperature is 13.8°C (56.8°F).
What is the average humidity in January in Mesa?
In Mesa, Costa Rica, the average relative humidity in January is 78%.
How much does it rain in Mesa in January?
In Mesa, Costa Rica, in January, during 14.3 rainfall days, 32mm (1.26") of precipitation is typically accumulated.
What is the average length of the day in January in Mesa?
The average day length in January is 11h and 38min.
When is the sunrise / sunset in January in Mesa?
In January, on the first day of the month, sunrise is at 05:53 and sunset at 17:27. On the last day of the month, in Mesa, sunrise is at 05:58 and sunset at 17:41 CST.
How many hours of sunshine does Mesa have in January?
The average sunshine duration in January in Mesa is 8.9h.
What are the months with the highest UV index in Mesa?
January through December, with an average maximum UV index of 5, are months with the highest UV index in Mesa.
When is the lowest UV index in Mesa?
The months with the lowest UV index in Mesa, Costa Rica, are January through December, with an average maximum UV index of 5.
What is the UV index reading in January in Mesa?
In January, the average daily maximum UV index in Mesa is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Mesa, Costa Rica
Average temperature in January
Mesa, Costa Rica
  • Average high temperature in January: 23.9°C

The warmest month (with the highest average high temperature) is April (26°C).
The month with the lowest average high temperature is October (22.4°C).

  • Average low temperature in January: 13.8°C

The month with the highest average low temperature is June (17°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).

Average pressure in January - Mesa, Costa Rica
Average pressure in January
Mesa, Costa Rica
  • Average pressure in January: 1012.3mbar

The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

Average wind speed in January - Mesa, Costa Rica
Average wind speed in January
Mesa, Costa Rica
  • Average wind speed in January: 10.5km/h

The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest month (with the lowest average wind speed) is September (4.3km/h).

Average humidity in January - Mesa, Costa Rica
Average humidity in January
Mesa, Costa Rica
  • Average humidity in January: 78%

The months with the highest relative humidity are September and October (91%).
The months with the lowest relative humidity are February and March (75%).

Average rainfall in January - Mesa, Costa Rica
Average rainfall in January
Mesa, Costa Rica
  • Average rainfall in January: 32mm

The wettest month (with the highest rainfall) is October (438mm).
The driest month (with the least rainfall) is February (26mm).

Average rainfall days in January - Mesa, Costa Rica
Average rainfall days in January
Mesa, Costa Rica
  • Average rainfall days in January: 14.3 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.2 days).

Average daylight in January / Average sunshine in January - Mesa, Costa Rica
Average daylight in January /
Average sunshine in January
Mesa, Costa Rica
  • Average daylight in January: 11h and 4min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in January: 8h and 5min

The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).

Average sunshine days in January - Mesa, Costa Rica
Average sunshine days in January
Mesa, Costa Rica
  • Average sunshine days in January: 13.1 days

The month with the most sunshine days is March (13.5 days).
The month with the least sunshine days is September (0.1 days).

Average UV index in January - Mesa, Costa Rica
Average UV index in January
Mesa, Costa Rica
  • Average UV index in January: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in January - Mesa, Costa Rica
Average cloud cover in January
Mesa, Costa Rica
  • Average cloud cover in January: 33

The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is February (Cloud cover 30).

Average visibility in January - Mesa, Costa Rica
Average visibility in January
Mesa, Costa Rica
  • Average visibility in January: 9km

The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are August, September, October and November (6km).

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