January weather forecast
Alajuela, Costa Rica

January

Weather in January

Transitioning from the slightly cooler climate of December, January in Alajuela, Costa Rica boasts promising dry and warm weather conditions. A slight upturn in temperature markers signifies the onset of more pleasant climatic conditions. Relative humidity is slightly lower, making for a more comfortable atmosphere. Everyday experiences a fair share of sunshine with daylight stretching over 11 hours. However, January also marks a considerable rainfall reduction, bringing down the rainfall quantity to 32mm (1.26") over 14.8 days.

Temperature

With the start of January, Alajuela measures an average high-temperature of a still moderately hot 25.9°C (78.6°F), not significantly differing from December's 25.2°C (77.4°F). Alajuela sees an average low-temperature of 15.2°C (59.4°F) during January.

Humidity

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

Rainfall

In Alajuela, in January, it is raining for 14.8 days, with typically 32mm (1.26") of accumulated precipitation. In Alajuela, during the entire year, the rain falls for 289.5 days and collects up to 2506mm (98.66") of precipitation.

Daylight

In January, the average length of the day is 11h and 36min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:27. On the last day of January, sunrise is at 06:00 and sunset at 17:41 CST.

Sunshine

The average sunshine in January is 8.8h.

UV index

The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are the temperatures in Alajuela in January?
In January, the average high-temperature and low-temperature in Alajuela are 25.9°C (78.6°F) and 15.2°C (59.4°F) respectively.
What is the average humidity in January?
In January, the average relative humidity is 76%.
How much does it rain in January?
In Alajuela, Costa Rica, in January, it is raining for 14.8 days, with typically 32mm (1.26") of accumulated precipitation.
What is the average length of the day in January?
The average day length in January in Alajuela is 11h and 36min.
When is the sunrise / sunset in January?
In January, on the first day of the month, sunrise is at 05:55 and sunset at 17:27. On the last day of the month, sunrise is at 06:00 and sunset at 17:41 CST.
How many hours of sunshine does Alajuela have in January?
The average sunshine duration in January in Alajuela is 8.8h.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 5.
What is the UV index intensity in January?
In January, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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 - Alajuela, Costa Rica
Average temperature in January
Alajuela, Costa Rica
  • Average high temperature in January: 25.9°C

The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.8°C).

  • Average low temperature in January: 15.2°C

The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (15.2°C).

Average pressure in January - Alajuela, Costa Rica
Average pressure in January
Alajuela, Costa Rica
  • Average pressure in January: 1012.2mbar

The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).

Average wind speed in January - Alajuela, Costa Rica
Average wind speed in January
Alajuela, Costa Rica
  • Average wind speed in January: 10.7km/h

The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).

Average humidity in January - Alajuela, Costa Rica
Average humidity in January
Alajuela, Costa Rica
  • Average humidity in January: 76%

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is March (71%).

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

The wettest month (with the highest rainfall) is October (421mm).
The driest month (with the least rainfall) is February (25mm).

Average rainfall days in January - Alajuela, Costa Rica
Average rainfall days in January
Alajuela, Costa Rica
  • Average rainfall days in January: 14.8 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.3 days).

Average daylight in January / Average sunshine in January - Alajuela, Costa Rica
Average daylight in January /
Average sunshine in January
Alajuela, 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 30min).

  • Average sunshine in January: 8h and 5min

The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 12min).

Average sunshine days in January - Alajuela, Costa Rica
Average sunshine days in January
Alajuela, Costa Rica
  • Average sunshine days in January: 11.4 days

The month with the most sunshine days is February (11.9 days).
The month with the least sunshine days is September (0.4 days).

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

The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in January - Alajuela, Costa Rica
Average cloud cover in January
Alajuela, Costa Rica
  • Average cloud cover in January: 26

The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is February (Cloud cover 23).

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

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

englishespañol中文
Share