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Cotuí, Dominican Republic climate
Am Tropical monsoon
Cotuí has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is September with an average daily high near 33°C, while the coldest is January averaging around 21°C at night. Precipitation totals about 1669 mm a year and is strongly seasonal — August alone averages 260 mm while February barely receives 45 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsCotuí climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 31 |
| Avg temp (°C) | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 26 |
| Avg low (°C) | 21 | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 22 |
| Precipitation (mm) | 53 | 45 | 63 | 113 | 182 | 153 | 200 | 260 | 242 | 211 | 100 | 46 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 31 | 31 | 32 | 32 |
| Avg temp (°C) | 26 | 26 | 26 | 27 | 27 | 28 |
| Avg low (°C) | 21 | 21 | 22 | 22 | 23 | 24 |
| Precipitation (mm) | 53 | 45 | 63 | 113 | 182 | 153 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 33 | 33 | 33 | 32 | 31 |
| Avg temp (°C) | 28 | 28 | 28 | 28 | 27 | 26 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 23 | 22 |
| Precipitation (mm) | 200 | 260 | 242 | 211 | 100 | 46 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 5 | 5 | 7 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 7 |
| Days with high ≥ 32°C (days) | 1 | 1 | 4 | 6 | 8 | 13 | 16 | 17 | 18 | 16 | 10 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 5 | 5 | 7 | 8 | 8 |
| Days with high ≥ 32°C (days) | 1 | 1 | 4 | 6 | 8 | 13 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 10 | 9 | 9 | 9 | 7 |
| Days with high ≥ 32°C (days) | 16 | 17 | 18 | 16 | 10 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 40 | 42 | 45 | 58 | 54 | 50 | 52 | 55 | 53 | 47 | 42 |
| Clear days (≤ 30% cloud) | 11 | 10 | 11 | 9 | 5 | 6 | 7 | 7 | 5 | 7 | 10 | 11 |
| Partly cloudy days (30–70%) | 17 | 16 | 17 | 16 | 15 | 15 | 16 | 17 | 16 | 15 | 13 | 16 |
| Cloudy days (≥ 70%) | 4 | 2 | 4 | 5 | 11 | 9 | 7 | 7 | 9 | 9 | 7 | 4 |
| Relative humidity (%) | 75 | 72 | 70 | 71 | 74 | 76 | 75 | 76 | 77 | 78 | 78 | 77 |
| Wind speed (km/h) | 8.9 | 8.9 | 8.8 | 8.7 | 8.2 | 8.1 | 8.6 | 8.1 | 7.2 | 7.1 | 8.2 | 8.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 40 | 42 | 45 | 58 | 54 |
| Clear days (≤ 30% cloud) | 11 | 10 | 11 | 9 | 5 | 6 |
| Partly cloudy days (30–70%) | 17 | 16 | 17 | 16 | 15 | 15 |
| Cloudy days (≥ 70%) | 4 | 2 | 4 | 5 | 11 | 9 |
| Relative humidity (%) | 75 | 72 | 70 | 71 | 74 | 76 |
| Wind speed (km/h) | 8.9 | 8.9 | 8.8 | 8.7 | 8.2 | 8.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 52 | 55 | 53 | 47 | 42 |
| Clear days (≤ 30% cloud) | 7 | 7 | 5 | 7 | 10 | 11 |
| Partly cloudy days (30–70%) | 16 | 17 | 16 | 15 | 13 | 16 |
| Cloudy days (≥ 70%) | 7 | 7 | 9 | 9 | 7 | 4 |
| Relative humidity (%) | 75 | 76 | 77 | 78 | 78 | 77 |
| Wind speed (km/h) | 8.6 | 8.1 | 7.2 | 7.1 | 8.2 | 8.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Santo Domingo, a weather station, about 75 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.