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Climate · Río San Juan

Río San Juan in January

Warm and wet, as the days lengthen.

Typical weather, averaged over 30 years

January in Río San Juan is warm: highs near 83°F, lows near 70°F. Rain falls on about five days a week, and the days lengthen by 11 minutes from the first week to the last.January in Río San Juan is warm: highs near 28°C, lows near 21°C. Rain falls on about five days a week, and the days lengthen by 11 minutes from the first week to the last.

High
83°F28°Caverage
Low
70°F21°Caverage
Wet days
5a week · 67% of days
Daylight
11h 05mon average

Is January a good time to visit Río San Juan?

Yes. January is one of Río San Juan's best months (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 January sits in the year

week by week

Temperature

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

Chance of a wet day

67% of days in January, against 60% to 87% through the year.

Cloud cover

28% cover in January, against 27% to 69% through the year.

Daylight

11h 05m in January, against 10h 58m to 13h 18m through the year.

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

Either side

  1. December83°28°low 71°low 22°5 wet days a weekRain on about five days a week.
  2. January83°28°low 70°low 21°5 wet days a weekRain on about five days a week.
  3. February83°28°low 70°low 21°5 wet days a weekRain on about five days a week.

Where Río San Juan sits, in January

America/Santo Domingo
this place
typical high in January 40°F4°C95°F35°C
Sunrise, mid-January
7:17 AMsets 6:21 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 January, 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 January

high · low · wet days
See January 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.