March weather forecast
Callao, Costa Rica

March

Weather in March

The first month of the spring, March, is still a warm month in Callao, Costa Rica, with an average temperature fluctuating between 29.7°C (85.5°F) and 17.9°C (64.2°F).

Temperature

Callao experiences peak temperatures, averaging a high-temperature of 29.7°C (85.5°F) during March and April.

Heat index

The average heat index in March is estimated at a hot 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

With an average relative humidity of 70%, March is the least humid month in Callao, Costa Rica.

Rainfall

In Callao, in March, it is raining for 14.5 days, with typically 21mm (0.83") of accumulated precipitation. In Callao, Costa Rica, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

In Callao, Costa Rica, the average length of the day in March is 12h and 5min.
On the first day of the month, sunrise is at 05:51 and sunset at 17:48. On the last day of March, in Callao, sunrise is at 05:34 and sunset at 17:48 CST.

Sunshine

March has the most sunshine of the year, with an average of 9.4h of sunshine.

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 Callao. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In March, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What time of the year is the hottest in Callao?
Callao witnesses its average highest temperatures during March and April, peaking at 29.7°C (85.5°F).
How hot does it get in Callao in March?
In March, in Callao, the average high-temperature is 29.7°C (85.5°F), and the average low-temperature is 17.9°C (64.2°F). In March, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 34°C (93.2°F).
What is the least humid month in Callao?
The least humid month in Callao is March, with an average relative humidity of 70%.
What is the average humidity in March in Callao?
The average relative humidity in March is 70%.
How much does it rain in Callao in March?
In Callao, Costa Rica, in March, it is raining for 14.5 days, with typically 21mm (0.83") of accumulated precipitation.
What is the average length of the day in March in Callao?
In March, the average day length in Callao is 12h and 5min.
What time are sunrise and sunset in March in Callao?
On the first day of March in Callao, sunrise is at 05:51 and sunset at 17:48. On the last day of the month, sunrise is at 05:34 and sunset at 17:48 CST.
What month has the most sunshine in Callao?
The month with the most sunshine in Callao, Costa Rica, is March, with an average of 9.4h of sunshine.
How long on average sun shines in March in Callao?
In March, the average sunshine duration in Callao, Costa Rica, is 9.4h.
When is the highest UV index in Callao?
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 Callao, Costa Rica.
How high is the UV index in March in Callao?
The average daily maximum UV index in March in Callao, Costa Rica, is 6. A UV Index of 6 to 7 symbolizes 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 March
Callao, Costa Rica
  • Average high temperature in March: 29.7°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 March: 17.9°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 March
Callao, Costa Rica
  • Average pressure in March: 1011.9mbar

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 March
Callao, Costa Rica
  • Average wind speed in March: 9.5km/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 March
Callao, Costa Rica
  • Average humidity in March: 70%

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

Average rainfall in March
Callao, Costa Rica
  • Average rainfall in March: 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 March
Callao, Costa Rica
  • Average rainfall days in March: 14.5 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 March /
Average sunshine in March
Callao, Costa Rica
  • Average daylight in March: 12h and 1min

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 March: 9h 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 March
Callao, Costa Rica
  • Average sunshine days in March: 14.6 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 March
Callao, Costa Rica
  • Average UV index in March: 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 March
Callao, Costa Rica
  • Average cloud cover in March: 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 March
Callao, Costa Rica
  • Average visibility in March: 10km

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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