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Nicolás Romero, México Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Nicolás Romero, México?
Nicolás Romero, México gets 468 mm of precipitation a year over about 65 rainy days. April is the warmest month (average high 28°C) and January the coldest (average low 8°C).
Semi-arid climate
Nicolás Romero, México has warm summers and warm winters. Daytime highs range from about 23°C in January to 28°C in April. July is usually the wettest month. The most comfortable time to visit is typically January to March, June, and August to December, when daytime highs sit near 24°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 8° | 23° |
| Spring | Mar–May | 12° | 27° |
| Summer | Jun–Aug | 13° | 25° |
| Autumn | Sep–Nov | 12° | 23° |
How much rain does Nicolás Romero get?
Nicolás Romero gets 468 mm of precipitation in an average year, spread over about 65 days with measurable rain. That is more rainy days than 53% of Mexico.
July is the wettest month, with 108 mm. December is the driest, with 3 mm. July has the most rainy days, about 14.
The longest dry spell in the last five years lasted 50 days, to March 14, 2023.
From October 2025 to September 2026 Nicolás Romero got 1008 mm of rain, against a normal of 468 mm for those months. September 2026 had the most, with 435 mm.
Nicolás Romero weather by month
Nicolás Romero weather in January
In January, Nicolás Romero averages a high of 23°C and a low of 8°C. It gets 4 mm of precipitation over about 1 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The January record high is 29°C (2024) and the record low is -2°C (1988). January is one of the most comfortable months to visit.
Nicolás Romero weather in February
In February, Nicolás Romero averages a high of 24°C and a low of 9°C. It gets 3 mm of precipitation over about 1 rainy days. Estimated sunshine is 77% of daylight hours, derived from ERA5 cloud cover. The February record high is 31°C (2024) and the record low is 0°C (1976). February is one of the most comfortable months to visit.
Nicolás Romero weather in March
In March, Nicolás Romero averages a high of 27°C and a low of 11°C. It gets 6 mm of precipitation over about 2 rainy days. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The March record high is 33°C (1991) and the record low is 0°C (1978). March is one of the most comfortable months to visit.
Nicolás Romero weather in April
In April, Nicolás Romero averages a high of 28°C and a low of 13°C. It gets 16 mm of precipitation over about 4 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The April record high is 37°C (2026) and the record low is 4°C (1983).
Nicolás Romero weather in May
In May, Nicolás Romero averages a high of 28°C and a low of 14°C. It gets 30 mm of precipitation over about 6 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The May record high is 41°C (2026) and the record low is 7°C (2014).
Nicolás Romero weather in June
In June, Nicolás Romero averages a high of 26°C and a low of 14°C. It gets 72 mm of precipitation over about 9 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The June record high is 38°C (2026) and the record low is 7°C (1979). June is one of the most comfortable months to visit.
Nicolás Romero weather in July
In July, Nicolás Romero averages a high of 24°C and a low of 13°C. It gets 108 mm of precipitation over about 14 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The July record high is 37°C (2026) and the record low is 8°C (1985).
Nicolás Romero weather in August
In August, Nicolás Romero averages a high of 24°C and a low of 13°C. It gets 94 mm of precipitation over about 12 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (2026) and the record low is 9°C (1979). August is one of the most comfortable months to visit.
Nicolás Romero weather in September
In September, Nicolás Romero averages a high of 24°C and a low of 13°C. It gets 88 mm of precipitation over about 9 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (2026) and the record low is 6°C (1979). September is one of the most comfortable months to visit.
Nicolás Romero weather in October
In October, Nicolás Romero averages a high of 23°C and a low of 12°C. It gets 37 mm of precipitation over about 5 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The October record high is 33°C (2026) and the record low is 1°C (1983). October is one of the most comfortable months to visit.
Nicolás Romero weather in November
In November, Nicolás Romero averages a high of 23°C and a low of 10°C. It gets 7 mm of precipitation over about 2 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The November record high is 30°C (2013) and the record low is 1°C (1975). November is one of the most comfortable months to visit.
Nicolás Romero weather in December
In December, Nicolás Romero averages a high of 23°C and a low of 8°C. It gets 3 mm of precipitation over about 1 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The December record high is 28°C (2015) and the record low is 0°C (1996). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Nicolás Romero
February is the sunniest month in Nicolás Romero, with estimated sunshine of 77% of daylight hours from ERA5 cloud cover. August is the cloudiest, at 24%. The annual cloud-cover estimate is 49% of daylight hours; it is not a measurement of sunshine duration. Nicolás Romero is cloudier than 62% of Mexico.
Humidity peaks in September at 73% and is lowest in March at 39%.
Nicolás Romero has about 8 days a year above 32°C. Nicolás Romero is cooler than 94% of Mexico.
Nicolás Romero weather records
These records cover MEXICO CITY during 1973–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Nicolás Romero station is 41°C, on May 12, 2026. The coldest is -2°C, on January 28, 1988.
The wettest day in the available station history brought 163 mm of precipitation, on June 28, 2012.
22 all-time records have been set at the station since 1973.
The best time to visit Nicolás Romero
The most comfortable time to visit is typically January to March, June, and August to December, when daytime highs sit near 24°C.
Winter (December–February) is warm, with average highs around 23°C and lows near 9°C.
Spring (March–May) is warm, with average highs around 27°C and lows near 12°C.
Summer (June–August) is warm, with average highs around 25°C and lows near 13°C.
Autumn (September–November) is warm, with average highs around 24°C and lows near 12°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 8° | 23° | 4.1 mm | 1 | 53% | 58% | 29° | -2° |
| February | 9° | 24° | 3.0 mm | 1 | 45% | 77% | 31° | 0° |
| March | 11° | 27° | 6.1 mm | 2 | 39% | 71% | 33° | 0° |
| April | 13° | 28° | 16 mm | 4 | 41% | 60% | 37° | 4° |
| May | 14° | 28° | 30 mm | 6 | 45% | 57% | 41° | 7° |
| June | 14° | 26° | 72 mm | 9 | 56% | 39% | 38° | 7° |
| July | 13° | 24° | 108 mm | 14 | 66% | 26% | 37° | 8° |
| August | 13° | 24° | 94 mm | 12 | 71% | 24% | 37° | 9° |
| September | 13° | 24° | 88 mm | 9 | 73% | 25% | 37° | 6° |
| October | 12° | 23° | 37 mm | 5 | 68% | 32% | 33° | 1° |
| November | 10° | 23° | 7.4 mm | 2 | 60% | 58% | 30° | 1° |
| December | 8° | 23° | 2.8 mm | 1 | 60% | 57% | 28° | 0° |
Station: MEXICO CITY, 30 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Nicolás Romero climate questions
How much rain does Nicolás Romero get?
Nicolás Romero gets 468 mm of precipitation in an average year, over about 65 rainy days.
What is the wettest month in Nicolás Romero?
July is the wettest month in Nicolás Romero, with 108 mm. December is the driest, with 3 mm.
How many rainy days does Nicolás Romero have a year?
Nicolás Romero has about 65 days with measurable rain in an average year. July has the most, about 14.
What is the hottest month in Nicolás Romero?
April is the warmest month in Nicolás Romero, with an average high of 28°C.
What is the coldest month in Nicolás Romero?
January is the coldest month in Nicolás Romero, with an average low of 8°C.
What is the record high temperature in Nicolás Romero?
Within the available 1973–2026 station history, the record high at the Nicolás Romero station is 41°C, set on May 12, 2026. The record low is -2°C, on January 28, 1988.
What is the sunniest month in Nicolás Romero?
February is the sunniest month in Nicolás Romero, with estimated sunshine of 77% of daylight hours from ERA5 cloud cover. August is the cloudiest.
What is the best time to visit Nicolás Romero?
The most comfortable time to visit is typically January to March, June, and August to December, when daytime highs sit near 24°C.
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