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
With the start of January, Opico measures an average high-temperature of a tropical 30.6°C (87.1°F), not significantly differing from December's 29.9°C (85.8°F). In Opico, the average temperature during the nights of January drops to a comfortable 19.4°C (66.9°F).Heat index
In January, the average heat index is appraised at a torrid 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In January, the average relative humidity in Opico, El Salvador, is 65%.Rainfall
The month with the least rainfall is January, when the rain falls for 1.9 days and typically collects 1mm (0.04") of precipitation.Daylight
The average length of the day in January in Opico is 11h and 25min.On the first day of the month, sunrise is at 06:21 and sunset at 17:40. On the last day of January, in Opico, sunrise is at 06:24 and sunset at 17:56 CST.
Sunshine
The months with the least sunshine in Opico are January and December, with an average of 7.7h of sunshine.UV index
The months with the lowest UV index in Opico are January, May, June, August through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 6 leads to the following instructions:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
How hot is January in Opico?
What is the average humidity in January in Opico?
What is the driest month in Opico?
How much does it rain in Opico in January?
How many hours of daylight does Opico have in January?
What time are sunrise and sunset in January in Opico?
What is the month with the least sunshine in Opico?
How long on average sun shines in January in Opico?
What are the months with the lowest UV index in Opico?
What is the UV index reading in January in Opico?
Average temperature in January
Opico, El Salvador
- Average high temperature in January: 30.6°C
The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is October (29°C).
- Average low temperature in January: 19.4°C
The month with the highest average low temperature is April (22.8°C).
The coldest month (with the lowest average low temperature) is January (19.4°C).
Average pressure in January
Opico, El Salvador
- Average pressure in January: 1013.5mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The months with the lowest atmospheric pressure are May and October (1011.3mbar).
Average wind speed in January
Opico, El Salvador
- Average wind speed in January: 8.5km/h
The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest month (with the lowest average wind speed) is June (4.8km/h).
Average humidity in January
Opico, El Salvador
- Average humidity in January: 65%
The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is March (62%).
Average rainfall in January
Opico, El Salvador
- Average rainfall in January: 1mm
The wettest month (with the highest rainfall) is May (234mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in January
Opico, El Salvador
- Average rainfall days in January: 1.9 days
The month with the highest number of rainy days is September (26.3 days).
The month with the least rainy days is January (1.9 days).
Average daylight in January /
Average sunshine in January
Opico, El Salvador
- Average daylight in January: 11h and 2min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January: 7h and 4min
The month with the most sunshine is April (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days in January
Opico, El Salvador
- Average sunshine days in January: 28.7 days
The month with the most sunshine days is January (28.7 days).
The month with the least sunshine days is September (3.2 days).
Average UV index in January
Opico, El Salvador
- Average UV index in January: 6
The months with the highest UV index are February, March, April and July (UV index 7).
The months with the lowest UV index are January, May, June, August, September, October, November and December (UV index 6).
Average cloud cover in January
Opico, El Salvador
- Average cloud cover in January: 13
The months with the most cloud cover are June, September and October (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in January
Opico, El Salvador
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are September and October (8km).
Opico, El Salvador
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