Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In January, the average high-temperature registers at a still moderately hot 29.5°C (85.1°F), nearly identical to December's 28.7°C (83.7°F). An average nighttime temperature of 24.5°C (76.1°F) marks January in Guarumal.Heat index
In January, the average heat index is estimated at a tropical 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In January, the average relative humidity is 70%.Rainfall
In Guarumal, in January, during 9.3 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Guarumal, there are 236.2 rainfall days, and 1501mm (59.09") of precipitation is accumulated.Daylight
In January, the average length of the day is 11h and 38min.On the first day of January, sunrise is at 05:54 and sunset at 17:28. On the last day of the month, sunrise is at 05:59 and sunset at 17:42 CST.
Sunshine
The average sunshine in January is 8.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 7 during January leads to these instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
How hot does it get in Guarumal in January?
What is the average humidity in January in Guarumal?
How much does it rain in Guarumal in January?
What is the average length of the day in January in Guarumal?
What time are sunrise and sunset in January in Guarumal?
How many hours of sunshine does Guarumal have in January?
When is the highest UV index in Guarumal?
What are the months with the lowest UV index in Guarumal?
What is the UV index reading in January in Guarumal?
Average temperature in January
Guarumal, Costa Rica
- Average high temperature in January: 29.5°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is October (28.1°C).
- Average low temperature in January: 24.5°C
The months with the highest average low temperature are April and May (26.2°C).
The coldest month (with the lowest average low temperature) is January (24.5°C).
Average pressure in January
Guarumal, Costa Rica
- Average pressure in January: 1011.4mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in January
Guarumal, Costa Rica
- Average wind speed in January: 9km/h
The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).
Average humidity in January
Guarumal, Costa Rica
- Average humidity in January: 70%
The months with the highest relative humidity are June and October (80%).
The months with the lowest relative humidity are February and March (68%).
Average rainfall in January
Guarumal, Costa Rica
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is October (383mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in January
Guarumal, Costa Rica
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is October (26.1 days).
The month with the least rainy days is February (7.8 days).
Average daylight in January /
Average sunshine in January
Guarumal, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is October (Average sunshine: 8h and 6min).
Average sunshine days in January
Guarumal, Costa Rica
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is March (18.6 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in January
Guarumal, Costa Rica
- 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
Guarumal, Costa Rica
- Average cloud cover in January: 17
The month with the most cloud cover is October (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 13).
Average visibility in January
Guarumal, Costa Rica
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are May and October (9km).
Guarumal, Costa Rica
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