March weather forecast
Santa Ana, Costa Rica

As Costa Rica approaches the end of the first quarter of the year, March in Santa Ana sees a shift in weather conditions. Comparatively, this period experiences warmer temperatures than February and slightly higher rainfall. This climatic pattern fosters a more tropical environment, maintaining consistent humidity and pressure levels. The highly significant values for this month range from 16.2°C (61.2°F) to 27.8°C (82°F) in terms of temperature and 30mm (1.18") of rainfall over 16.5 days is recorded. Despite a marginal increase in rainfall, the city sees abundant sunshine hours, complimenting the overall tropical weather.

Temperature

March's presence records an average high-temperature of a still moderately hot 27.8°C (82°F), closely mirroring February's climate. Santa Ana's March nights cool down to an average low-temperature of 16.2°C (61.2°F).

Heat index

The heat index for March is evaluated at a hot 30°C (86°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

With an average relative humidity of 71%, March is the least humid month.

Rainfall

In Santa Ana, in March, during 16.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 289.2 rainfall days, and 2603mm (102.48") of precipitation is accumulated.

Daylight

The average length of the day in March in Santa Ana is 12h and 5min.
On the first day of March in Santa Ana, sunrise is at 05:50 and sunset at 17:47. On the last day of the month, sunrise is at 05:34 and sunset at 17:47 CST.

Sunshine

In March, the average sunshine in Santa Ana is 9.2h.

UV index

The months with the highest UV index in Santa Ana, Costa Rica, are March and April, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 6 in March translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.