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Climate · Río San Juan

Río San Juan in May

Hot and wet, as the days lengthen.

Typical weather, averaged over 30 years

May in Río San Juan is hot: highs near 87°F, lows near 73°F. Rain falls on about five days a week, more often as the month goes on, and the days lengthen by 21 minutes from the first week to the last.May in Río San Juan is hot: highs near 31°C, lows near 23°C. Rain falls on about five days a week, more often as the month goes on, and the days lengthen by 21 minutes from the first week to the last.

High
87°F31°Caverage
Low
73°F23°Caverage
Wet days
5a week · 78% of days
Daylight
13h 03mon average

Is May a good time to visit Río San Juan?

A good month, just outside Río San Juan's best months, which run from December 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 May sits in the year

week by week

Temperature

Highs near 87°F in May, against 83°F to 90°F through the year.Highs near 31°C in May, against 28°C to 32°C through the year.

Chance of a wet day

78% of days in May, against 60% to 87% through the year.

Cloud cover

59% cover in May, against 27% to 69% through the year.

Daylight

13h 03m in May, against 10h 58m to 13h 18m through the year.

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

Either side

  1. April85°29°low 71°low 22°5 wet days a weekRain on about five days a week.
  2. May87°31°low 73°low 23°5 wet days a weekRain on about five days a week.
  3. June89°32°low 75°low 24°5 wet days a weekRain on about five days a week.

Where Río San Juan sits, in May

America/Santo Domingo
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
6:05 AMsets 7:08 PM
Above the sea
20 mlow-lying
Latitude
19.6°Nnorthern hemisphere
Nearest of ours
Santo Domingo132 km south

The land around Río San Juan, shaded by its typical high in May, 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 Dominican Republic in May

high · low · wet days
See May on the planning mapThe whole year in Río San Juan

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Río San Juan. 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 (20 m) against the climate model's (93 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 (20 m) against the climate model's (93 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.