Santiago de los Caballeros climate

Dominican Republic · 19.45°N, 70.69°W · elevation 209 m · population 1,200,000

Warmest month
September
high 32 °C90 °F
Coldest month
January
low 19 °C66 °F
Wettest month
November
86 mm3.4 in
Best time to visit
December–March
by our comfort score
Annual precipitation
627 mm25 in
February driest
Year average
26 °C78 °F
hot semi-arid (BSh)

Santiago de los Caballeros (Dominican Republic) has a hot semi-arid climate (Köppen BSh). The average temperature over the year is 26 °C78 °F, and about 627 mm25 in of precipitation falls in an average year.

Temperature by month

Average highAverage low
15°20°25°30°35°60°70°80°90°JFMAMJJASOND32°90°19°66°January: high 28 °C / 82 °F, low 19 °C / 66 °FFebruary: high 29 °C / 84 °F, low 19 °C / 66 °FMarch: high 30 °C / 85 °F, low 19 °C / 66 °FApril: high 31 °C / 87 °F, low 20 °C / 69 °FMay: high 31 °C / 88 °F, low 22 °C / 71 °FJune: high 32 °C / 89 °F, low 23 °C / 73 °FJuly: high 32 °C / 89 °F, low 23 °C / 73 °FAugust: high 32 °C / 90 °F, low 23 °C / 74 °FSeptember: high 32 °C / 90 °F, low 23 °C / 73 °FOctober: high 31 °C / 88 °F, low 23 °C / 73 °FNovember: high 29 °C / 85 °F, low 21 °C / 70 °FDecember: high 28 °C / 83 °F, low 20 °C / 68 °F

Precipitation by month

Precipitation per month (mminches)
0204060801000123JJanuary: 49 mm / 1.9 inFFebruary: 29 mm / 1.1 inMMarch: 39 mm / 1.5 inAApril: 44 mm / 1.7 inMMay: 65 mm / 2.5 inJJune: 39 mm / 1.5 inJJuly: 49 mm / 1.9 inAAugust: 55 mm / 2.2 inSSeptember: 58 mm / 2.3 inOOctober: 60 mm / 2.4 inNNovember: 86 mm / 3.4 inDDecember: 56 mm / 2.2 in863.4

Santiago de los Caballeros climate table

Monthly averages, 2001–2025
MonthHigh °C°FLow °C°FMean °C°FPrecip. mmin
Jan288219662374491.9
Feb298419662475291.1
Mar308519662476391.5
Apr318720692578441.7
May318822712679652.5
Jun328923732781391.5
Jul328923732781491.9
Aug329023742882552.2
Sep329023732882582.3
Oct318823732780602.4
Nov298521702577863.4
Dec288320682475562.2
Year32901966267862725

“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.

Humidity, cloud, sun and daylight
MonthHumid.CloudSolarDaylight
Jan79%45%4.111:04
Feb76%42%4.911:29
Mar73%47%5.511:59
Apr73%52%5.912:34
May74%63%5.713:03
Jun73%56%6.113:18
Jul75%50%6.113:12
Aug76%50%6.012:47
Sep75%53%5.612:13
Oct77%54%4.911:40
Nov80%53%4.111:11
Dec81%46%3.910:58

Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.

What the climate of Santiago de los Caballeros is like

The warmest month is September, with an average high of 32 °C90 °F and a low of 23 °C73 °F. The coldest is January, when highs average 28 °C82 °F and lows 19 °C66 °F. Seasonal differences are small — just 4.1 °C7.4 °F between the warmest and the coolest month.

Annual precipitation is moderate at about 627 mm25 in. The wettest three-month stretch is September–November, which brings 33% of the annual total. The wettest month is November (86 mm3.4 in), the driest is February (29 mm1.1 in).

Relative humidity ranges from 73% in March to 81% in December. The clearest skies (lowest average cloud amount, 42%) are typical of February. Average wind speed near the ground ranges from 4 km/h (2 mph) in October to 5 km/h (3 mph) in July. Daylight lasts from about 11.0 hours in December to 13.3 hours in June.

Best time to visit Santiago de los Caballeros

Based on these averages, the most comfortable months for sightseeing and outdoor activities are December–March: average highs of 28 °C82 °F to 30 °C85 °F with 29 mm1.1 in to 56 mm2.2 in of precipitation per month.

The most challenging month is September, which is hot, with average highs of 32 °C90 °F and humid (75% relative humidity).

Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.

What to pack for Santiago de los Caballeros

  • Wetter months (May, August–December) — highs 2883 to 32 °C90 °F, lows 2068 to 23 °C74 °F, about 63 mm2.5 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
  • Drier months (January–April, June and July) — highs 2882 to 32 °C89 °F, lows 1966 to 23 °C73 °F, about 41 mm1.6 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.

How Santiago de los Caballeros compares

Compared with Santo Domingo, about 137 km to the southeast, Santiago de los Caballeros is on average 1.3 °C2.3 °F cooler and receives 8% more precipitation (627 mm25 in vs 581 mm23 in). The difference is largest in January (1.9 °C3.4 °F cooler).

Of the 9 places in the Dominican Republic covered by World Climates, Santiago de los Caballeros is the 9th warmest by annual mean temperature and the 4th wettest by annual precipitation. See all of them on the Dominican Republic climate page.

Places in other countries with the most similar temperature and rainfall pattern: Cockburn Town (Turks and Caicos Islands, BSh), Holguín (Cuba, Aw) and Cap-Haïtien (Haiti, BSh).

Nearby places

All places in the Dominican Republic

Frequently asked questions

What is the warmest month in Santiago de los Caballeros?

September is the warmest month in Santiago de los Caballeros, with an average high of 32 °C (90 °F) and an average low of 23 °C (73 °F).

What is the coldest month in Santiago de los Caballeros?

January is the coldest month, with an average high of 28 °C (82 °F) and an average low of 19 °C (66 °F).

When does it rain the most in Santiago de los Caballeros?

November is the wettest month with about 86 mm (3.4 in) of precipitation; February is the driest with about 29 mm (1.1 in).

What is the best time to visit Santiago de los Caballeros?

Judging by long-term averages, the most comfortable months are December–March.

About this data

All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.

The grid cell’s average elevation is 279 m, while Santiago de los Caballeros lies at about 209 m. Temperatures on this page were therefore adjusted by +0.5 °C0.8 °F using the standard lapse rate of 6.5 °C per 1,000 m.

Sources and method