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Climate · Arenal

Arenal in April

Hot and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Arenal is hot: highs near 87°F, lows near 69°F. Rain falls on about two days a week, more often as the month goes on, and the days lengthen by 12 minutes from the first week to the last.April in Arenal is hot: highs near 31°C, lows near 21°C. Rain falls on about two days a week, more often as the month goes on, and the days lengthen by 12 minutes from the first week to the last.

High
87°F31°Caverage
Low
69°F21°Caverage
Wet days
2a week · 34% of days
Daylight
12h 21mon average

Is April a good time to visit Arenal?

A good month, just outside Arenal's best months, which run from January to March.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How April sits in the year

week by week

Temperature

Highs near 87°F in April, against 81°F to 87°F through the year.Highs near 31°C in April, against 27°C to 31°C through the year.

Chance of a wet day

34% of days in April, against 28% to 99% through the year.

Cloud cover

69% cover in April, against 51% to 83% through the year.

Daylight

12h 21m in April, against 11h 31m to 12h 44m through the year.

Week by week, lightly smoothed, with April shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. March85°29°low 67°low 19°2 wet days a weekRain on about two days a week.
  2. April87°31°low 69°low 21°2 wet days a weekRain on about two days a week.
  3. May86°30°low 71°low 22°6 wet days a weekRain on about six days a week.

Where Arenal sits, in April

America/Costa Rica
this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
5:28 AMsets 5:50 PM
Above the sea
410 mlow-lying
Latitude
10.5°Nnorthern hemisphere
Nearest of ours
Bijagua51 km north-west

The land around Arenal, shaded by its typical high in April, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Costa Rica in April

high · low · wet days
See April on the planning mapThe whole year in Arenal

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Arenal. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (410 m) against the climate model's (533 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (410 m) against the climate model's (533 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.