January weather forecast
Llano Brenes, Costa Rica

January

Weather in January

January, the same as December, is a moderately hot winter month in Llano Brenes, Costa Rica, with an average temperature fluctuating between 27.3°C (81.1°F) and 16.8°C (62.2°F).

Temperature

The advent of January presents an average high-temperature of a still warm 27.3°C (81.1°F), maintaining a close correlation with the preceding month. In Llano Brenes, an average nighttime temperature of 16.8°C (62.2°F) is expected during January.

Heat index

January's heat index is computed to be a hot 30°C (86°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Llano Brenes, the average relative humidity in January is 75%.

Rainfall

In Llano Brenes, in January, it is raining for 11.3 days, with typically 21mm (0.83") of accumulated precipitation. In Llano Brenes, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

The average length of the day in January in Llano Brenes is 11h and 37min.
On the first day of January, sunrise is at 05:54 and sunset at 17:27. On the last day of the month, sunrise is at 06:00 and sunset at 17:42 CST.

Sunshine

In Llano Brenes, the average sunshine in January is 8.3h.

UV index

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index in Llano Brenes. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in January translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What are the temperatures in Llano Brenes in January?
In Llano Brenes, 27.3°C (81.1°F) is the average high-temperature and 16.8°C (62.2°F) is the average low-temperature during January. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in January is computed to be 30°C (86°F).
What is the average humidity in January in Llano Brenes?
In Llano Brenes, the average relative humidity in January is 75%.
How many days does it rain in January in Llano Brenes?
In Llano Brenes, Costa Rica, in January, during 11.3 rainfall days, 21mm (0.83") of precipitation is typically accumulated.
How many hours of daylight does Llano Brenes have in January?
In Llano Brenes, the average day length in January is 11h and 37min.
When are sunrise and sunset in January in Llano Brenes?
In January, on the first day of the month, sunrise is at 05:54 and sunset at 17:27. On the last day of the month, in Llano Brenes, Costa Rica, sunrise is at 06:00 and sunset at 17:42 CST.
How long on average sun shines in January in Llano Brenes?
In Llano Brenes, Costa Rica, the average sunshine duration in January is 8.3h.
What is the month with the highest UV index in Llano Brenes?
January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in January in Llano Brenes?
The average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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
Llano Brenes, Costa Rica
  • Average high temperature in January: 27.3°C

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

  • Average low temperature in January: 16.8°C

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in January
Llano Brenes, Costa Rica
  • Average pressure in January: 1012.1mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

Average wind speed in January
Llano Brenes, Costa Rica
  • Average wind speed in January: 10.5km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

Average humidity in January
Llano Brenes, Costa Rica
  • Average humidity in January: 75%

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

Average rainfall in January
Llano Brenes, Costa Rica
  • Average rainfall in January: 21mm

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in January
Llano Brenes, Costa Rica
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

Average daylight in January /
Average sunshine in January
Llano Brenes, 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 2min

The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).

Average sunshine days in January
Llano Brenes, Costa Rica
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

Average UV index in January
Llano Brenes, Costa Rica
  • Average UV index in January: 6

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

Average cloud cover in January
Llano Brenes, Costa Rica
  • Average cloud cover in January: 23

The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).

Average visibility in January
Llano Brenes, Costa Rica
  • Average visibility in January: 9km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).

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