Tello, Colombia experiences average highs of 31°C (88°F) and lows of 22°C (72°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have cooled by 1.8°C (3.2°F) across the available records.
Tello, Colombia Weather & Climate 2026
Monthly climate averages for Tello, Colombia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.4/10
Best: July, August
UV Index
8
High
Temperature 31°C / 22°C
Feels Like 34°C / 25°C
Rainy Days 16
Rainfall 110 mm
Sunshine 10 h
Humidity 68%
Wind Speed 9 km/h
Dew Point 20°C
Hottest Month
33°C
September
Avg Low22°C
Rain10days
Coldest Month
21°C
July
Avg High30°C
Rain12days
Driest Month
9days
August
Avg High32°C
Avg Low22°C
Windiest Month
12 km/h
August (Gusts 34)
Worst Time to Visit
Consider avoiding March, April, October due to heavy rainfall.
Sun Position
Sunrise 05:53
Daylight 12.3h
Sunset 18:11
Live conditions—
Tello on the map · live conditions
Tello, Colombia
- Continent
- Americas
- Country
- Colombia
- City
- Tello
- Population
- 10.3K
- Coordinates
- 3.07°, -75.14°
Seasonal Breakdown
Spring
Mar–May
Avg High 30°C
Avg Low 22°C
Rain 22 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 21°C
Rain 13 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 31°C
Avg Low 22°C
Rain 17 days/mo
Winter
Dec–Feb
Avg High 31°C
Avg Low 22°C
Rain 12 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 31°C / 22°C . Feb: 32°C / 23°C . Mar: 31°C / 22°C . Apr: 30°C / 22°C . May: 29°C / 22°C . Jun: 29°C / 21°C . Jul: 30°C / 21°C . Aug: 32°C / 22°C . Sep: 33°C / 22°C . Oct: 31°C / 22°C . Nov: 29°C / 22°C . Dec: 30°C / 22°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 69 mm. Feb: 80 mm. Mar: 177 mm. Apr: 208 mm. May: 168 mm. Jun: 107 mm. Jul: 45 mm. Aug: 38 mm. Sep: 59 mm. Oct: 135 mm. Nov: 166 mm. Dec: 68 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 62%. Feb: 61%. Mar: 72%. Apr: 75%. May: 77%. Jun: 73%. Jul: 67%. Aug: 60%. Sep: 59%. Oct: 71%. Nov: 75%. Dec: 68%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 7 km/h . Feb: 7 km/h . Mar: 7 km/h . Apr: 8 km/h . May: 8 km/h . Jun: 10 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 11 km/h . Oct: 8 km/h . Nov: 7 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 10h. Mar: 10h. Apr: 9h. May: 10h. Jun: 10h. Jul: 10h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 10h. Dec: 11h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 9. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 9. Sep: UV 9. Oct: UV 9. Nov: UV 8. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have cooled by 1.8°C (3.2°F) across the available records. Average rainfall is trending wetter by about 32 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Sep 2025 · 31°C | Sep · 33°C |
| Coldest month | Jul 2025 · 21°C | Jul · 21°C |
| Wettest month | Apr 2025 · 312 mm | Apr · 208 mm |
| Windiest month | Jul 2025 · 13 km/h | Aug · 12 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Wet April
Wet May
Wet June
Wet July best
Excellent August best
Good September
Fair October
Wet November
Wet December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 22°C | 34°C / 24°C | 11days (69 mm) Wet | 10.6h Excellent | 62% Muggy | 8.7 Very High | Fair | View Details |
| February | 32°C / 23°C | 35°C / 25°C | 11days (80 mm) Wet | 10.4h Excellent | 61% Muggy | 8.7 Very High | Fair | View Details |
| March | 31°C / 22°C | 35°C / 26°C | 21days (177 mm) Wet | 9.7h Good | 72% Muggy | 8.6 Very High | Wet | View Details |
| April | 30°C / 22°C | 34°C / 25°C | 22days (208 mm) Wet | 9.2h Good | 75% Muggy | 8.6 Very High | Wet | View Details |
| May | 29°C / 22°C | 33°C / 25°C | 22days (168 mm) Wet | 9.5h Good | 77% Humid | 7.7 Very High | Wet | View Details |
| June | 29°C / 21°C | 32°C / 24°C | 19days (107 mm) Wet | 9.8h Good | 73% Muggy | 7.5 Very High | Wet | View Details |
| July best | 30°C / 21°C | 32°C / 24°C | 12days (45 mm) Wet | 10.2h Excellent | 67% Muggy | 7.9 Very High | Excellent | View Details |
| August best | 32°C / 22°C | 34°C / 24°C | 9days (38 mm) Wet | 10.7h Excellent | 60% Moderate | 8.5 Very High | Good | View Details |
| September | 33°C / 22°C | 35°C / 25°C | 10days (59 mm) Wet | 10.6h Excellent | 59% Moderate | 8.5 Very High | Fair | View Details |
| October | 31°C / 22°C | 34°C / 25°C | 20days (135 mm) Wet | 9.9h Good | 71% Muggy | 8.5 Very High | Wet | View Details |
| November | 29°C / 22°C | 34°C / 25°C | 21days (166 mm) Wet | 9.9h Good | 75% Muggy | 8 Very High | Wet | View Details |
| December | 30°C / 22°C | 34°C / 25°C | 13days (68 mm) Wet | 10.6h Excellent | 68% Muggy | 8.1 Very High | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Tello are July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Tello, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Tello is September, with average daytime highs of 33°C (91°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Tello is July, with average overnight lows of 21°C (70°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Tello is April, averaging 208mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Tello runs through April, May, March, November, with the heaviest rainfall in April. Based on 10-year averages for Tello.
Tello receives approximately 121 sunshine hours per year. The sunniest month is August with around 11 hours. Based on climate data for Tello.
The least favorable months to visit Tello are March, April, October, primarily due to heavy rainfall. For the best conditions, consider July, August instead.
The annual average UV index in Tello is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Tello is 68%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Tello are 9 km/h (6 mph). The windiest month is August with peak winds reaching 12 km/h (7 mph) (gusts up to 34 km/h / 21 mph).
Tello averages 0 clear-sky days per month with overall cloud cover around 80%. The clearest skies occur in January.
The annual average dew point in Tello is 20°C (68°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Tello 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 Tello ranges from 25°C (77°F) to 34°C (93°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Tello, with a climate score of 5.9/10. Consider visiting during July, August instead for better conditions.
For June in Tello, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (85°F) and 19 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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