Cosamaloapan in Spring
In spring (March, April and May), Cosamaloapan sees average daytime highs around 33°C and overnight lows near 23°C, with 131 mm of rain over about 21 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 30°C in early March to 34°C by late May. The sky is clear or mostly clear about 46% of the time across spring, and the air most often feels oppressive.
Spring is Cosamaloapan's 3rd-best season to visit on our travel score. For the whole year in context, see Cosamaloapan's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 131 mm
- 21 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.7
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Cosamaloapan in Spring
Over the season highs climb from about 30°C in early March to 34°C by late May.
A typical spring day in Cosamaloapan reaches about 33°C and drops to 23°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Cosamaloapan
Once humidity and wind are folded in, spring brings about 82 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cosamaloapan weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 19° | 47 | 8.9 | 11 | 6.8 |
| Feb | 28° / 19° | 32 | 6 | 11.4 | 6.5 |
| Mar | 31° / 21° | 25 | 4.7 | 11.9 | 5.1 |
| Apr | 34° / 24° | 32 | 5.2 | 12.4 | 3.5 |
| May | 35° / 25° | 74 | 10.8 | 12.9 | 2.6 |
| Jun | 33° / 25° | 242 | 22.5 | 13.1 | 2.3 |
| Jul | 32° / 24° | 276 | 25.3 | 13 | 2.5 |
| Aug | 32° / 24° | 284 | 25.5 | 12.6 | 2.5 |
| Sep | 32° / 24° | 325 | 24.8 | 12.1 | 2.6 |
| Oct | 30° / 23° | 209 | 18.8 | 11.6 | 3.8 |
| Nov | 28° / 21° | 94 | 13.1 | 11.1 | 5.5 |
| Dec | 27° / 19° | 49 | 9.3 | 10.9 | 6.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 46% of the time across spring.
Chance of precipitation in Spring
Cosamaloapan gets around 131 mm of rain over 21 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early March to 13 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.1 kWh/m².
Hazard calendar for Cosamaloapan
None of Cosamaloapan's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Cosamaloapan sits in the Atlantic hurricane belt; the season peaks August–October.
Cosamaloapan's monsoon runs June–October, when most of the year's rain falls.
Is spring a good time to visit Cosamaloapan?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Cosamaloapan. The water and warmth also suit a beach or pool day.
What to pack for Cosamaloapan in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Cosamaloapan sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 21 days see rain.
Sea temperature near Cosamaloapan in Spring
The nearest coast averages about 26°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 57 km away) is warmest in August at about 29°C and coldest in February near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 24 | 26 | 27 | 29 | 29 | 29 | 29 | 28 | 27 | 25 |
| Comfort | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 24 | Warm |
| Apr | 26 | Warm |
| May | 27 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Cosamaloapan in Spring
Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cosamaloapan peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 10 | 11 | 13 | 9 | 12 | 11 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | Extreme |
| Mar | 11 | Extreme |
| Apr | 13 | Extreme |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Cosamaloapan in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Cosamaloapan is worst in May — around 49 µg/m³ PM2.5 (poor), about 3.7× the cleanest month (January, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 15 | 20 | 31 | 49 | 28 | 31 | 24 | 21 | 15 | 14 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 15 | Moderate |
| Mar | 20 | Moderate |
| Apr | 31 | Moderate |
| May | 49 | Poor |
| Jun | 28 | Moderate |
| Jul | 31 | Moderate |
| Aug | 24 | Moderate |
| Sep | 21 | Moderate |
| Oct | 15 | Moderate |
| Nov | 14 | Moderate |
| Dec | 15 | Moderate |
Where is Cosamaloapan?
Cosamaloapan sits at 18.4°N, 95.8°W, 12 m above sea level, in Mexico. The nearest listed city is Carlos A. Carrillo, 5.0 km away.
Topography around Cosamaloapan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cosamaloapan.
Within 3 km, the terrain around Cosamaloapan has only modest variations in elevation — a maximum elevation change of 14 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 24 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.
The land around Cosamaloapan is covered by cropland (38%) and grassland (23%) within 3 km, cropland (38%) and grassland (28%) within 16 km, and grassland (36%) and trees (28%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cosamaloapan (18.3676°, -95.7986°, elevation 12 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.