Niltepec, Mexico experiences average highs of 31°C (88°F) and lows of 23°C (73°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Niltepec, Mexico Weather & Climate 2026
Monthly climate averages for Niltepec, Mexico. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.7/10
Best: January, February, November, December
UV Index
8
High
Temperature 31°C / 23°C
Feels Like 35°C / 26°C
Rainy Days 11
Rainfall 121 mm
Sunshine 10 h
Humidity 77%
Wind Speed 14 km/h
Dew Point 22°C
Hottest Month
34°C
May
Avg Low 25°C
Rain 15 days
Coldest Month
20°C
January
Avg High 29°C
Rain 2 days
Driest Month
2 days
January
Avg High 29°C
Avg Low 20°C
Windiest Month
18 km/h
January (Gusts 50)
Worst Time to Visit
Consider avoiding May, July, August, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:54
Daylight 13h
Sunset 18:55
Live conditions —
Niltepec on the map · live conditions
Niltepec, Mexico
- Continent
- Americas
- Country
- Mexico
- City
- Niltepec
- Population
- 3.3K
- Coordinates
- 16.56°, -94.61°
Seasonal Breakdown
Spring
Mar–May
Avg High 33°C
Avg Low 24°C
Rain 7 days/mo
Summer
Jun–Aug
Avg High 32°C
Avg Low 24°C
Rain 22 days/mo
Autumn
Sep–Nov
Avg High 30°C
Avg Low 23°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 29°C
Avg Low 20°C
Rain 2 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 29°C / 20°C . Feb: 30°C / 21°C . Mar: 33°C / 22°C . Apr: 34°C / 24°C . May: 34°C / 25°C . Jun: 31°C / 24°C . Jul: 32°C / 25°C . Aug: 32°C / 24°C . Sep: 31°C / 24°C . Oct: 30°C / 23°C . Nov: 30°C / 22°C . Dec: 29°C / 21°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 9 mm. Feb: 16 mm. Mar: 12 mm. Apr: 21 mm. May: 104 mm. Jun: 307 mm. Jul: 180 mm. Aug: 234 mm. Sep: 356 mm. Oct: 186 mm. Nov: 17 mm. Dec: 9 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 70%. Mar: 67%. Apr: 67%. May: 73%. Jun: 85%. Jul: 83%. Aug: 84%. Sep: 86%. Oct: 83%. Nov: 76%. Dec: 74%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 16 km/h . Apr: 15 km/h . May: 12 km/h . Jun: 10 km/h . Jul: 10 km/h . Aug: 9 km/h . Sep: 9 km/h . Oct: 13 km/h . Nov: 17 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 11h. Mar: 11h. Apr: 11h. May: 11h. Jun: 10h. Jul: 11h. Aug: 10h. Sep: 10h. Oct: 10h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 9. Jun: UV 8. Jul: UV 9. Aug: UV 9. Sep: UV 8. Oct: UV 7. Nov: UV 7. Dec: UV 6.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 39 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | May 2025 · 34°C | May · 34°C |
| Coldest month | Jan 2025 · 20°C | Jan · 20°C |
| Wettest month | Sep 2025 · 637 mm | Sep · 356 mm |
| Windiest month | Jan 2025 · 19 km/h | Jan · 18 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Fair April
Fair May
Poor June
Wet July
Wet August
Wet September
Wet October
Wet November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 29°C / 20°C | 31°C / 21°C | 2days (9 mm) Excellent | 10.4h Excellent | 72% Muggy | 6.7 High | Excellent | View Details |
| February best | 30°C / 21°C | 32°C / 22°C | 3days (16 mm) Excellent | 10.8h Excellent | 70% Muggy | 7.7 Very High | Excellent | View Details |
| March | 33°C / 22°C | 35°C / 24°C | 2days (12 mm) Excellent | 11h Excellent | 67% Muggy | 8.8 Very High | Fair | View Details |
| April | 34°C / 24°C | 38°C / 27°C | 5days (21 mm) Good | 11.4h Excellent | 67% Muggy | 9.2 Very High | Fair | View Details |
| May | 34°C / 25°C | 39°C / 30°C | 15days (104 mm) Wet | 11.2h Excellent | 73% Muggy | 8.8 Very High | Poor | View Details |
| June | 31°C / 24°C | 37°C / 29°C | 23days (307 mm) Wet | 9.5h Good | 85% Humid | 7.6 Very High | Wet | View Details |
| July | 32°C / 25°C | 39°C / 29°C | 21days (180 mm) Wet | 10.9h Excellent | 83% Humid | 8.5 Very High | Wet | View Details |
| August | 32°C / 24°C | 38°C / 29°C | 21days (234 mm) Wet | 10.3h Excellent | 84% Humid | 8.7 Very High | Wet | View Details |
| September | 31°C / 24°C | 37°C / 29°C | 23days (356 mm) Wet | 9.6h Good | 86% Very Muggy | 8.1 Very High | Wet | View Details |
| October | 30°C / 23°C | 35°C / 27°C | 13days (186 mm) Wet | 9.7h Good | 83% Humid | 7.2 Very High | Wet | View Details |
| November best | 30°C / 22°C | 32°C / 24°C | 3days (17 mm) Excellent | 10.2h Excellent | 76% Humid | 6.6 High | Excellent | View Details |
| December best | 29°C / 21°C | 31°C / 22°C | 2days (9 mm) Excellent | 10.2h Excellent | 74% Muggy | 6.2 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Niltepec are January, February, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Niltepec, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Niltepec is May, with average daytime highs of 34°C (93°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Niltepec is January, with average overnight lows of 20°C (68°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Niltepec is September, averaging 356mm of precipitation across 23 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Niltepec runs through June, September, July, August, with the heaviest rainfall in June. Based on 10-year averages for Niltepec.
Niltepec receives approximately 125 sunshine hours per year. The sunniest month is April with around 11 hours. Based on climate data for Niltepec.
The least favorable months to visit Niltepec are May, July, August, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, November, December instead.
The annual average UV index in Niltepec is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Niltepec is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Niltepec are 14 km/h (9 mph). The windiest month is January with peak winds reaching 18 km/h (11 mph) (gusts up to 50 km/h / 31 mph).
Niltepec averages 5 clear-sky days per month with overall cloud cover around 55%. The clearest skies occur in March.
The annual average dew point in Niltepec is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Niltepec has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Niltepec ranges from 26°C (79°F) to 35°C (95°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
July is not the best time to visit Niltepec, with a climate score of 1/10. Consider visiting during January, February, November, December instead for better conditions.
For July in Niltepec, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 32°C (89°F) and 21 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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