Centennial, United States experiences average highs of 17°C (63°F) and lows of 2°C (36°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Centennial, United States Weather & Climate 2026
Monthly climate averages for Centennial, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.1/10
Best: June, July, August, September
UV Index
6
High
Temperature 17°C / 2°C
Feels Like 15°C / -2°C
Rainy Days 8
Rainfall 45 mm
Sunshine 10 h
Humidity 53%
Wind Speed 14 km/h
Dew Point 0°C
Snow Days 7 days
Frost Days 20 days
Hottest Month
30°C
July
Avg Low15°C
Rain11days
Coldest Month
-10°C
January
Avg High4°C
Rain5days
Driest Month
4days
November
Avg High12°C
Avg Low-3°C
Windiest Month
15 km/h
April (Gusts 38)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:33
Daylight 15h
Sunset 20:30
Live conditions—
Centennial on the map · live conditions
Centennial, United States
- Continent
- Americas
- Country
- United States
- City
- Centennial
- Population
- 109.7K
- Elevation
- 1,777 m
- Coordinates
- 39.58°, -104.88°
Seasonal Breakdown
Spring
Mar–May
Avg High 16°C
Avg Low 0°C
Rain 10 days/mo
Summer
Jun–Aug
Avg High 29°C
Avg Low 13°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 19°C
Avg Low 3°C
Rain 5 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low -9°C
Rain 5 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: 4°C / -10°C . Feb: 7°C / -9°C . Mar: 11°C / -5°C . Apr: 16°C / 0°C . May: 20°C / 5°C . Jun: 28°C / 12°C . Jul: 30°C / 15°C . Aug: 29°C / 14°C . Sep: 27°C / 10°C . Oct: 19°C / 3°C . Nov: 12°C / -3°C . Dec: 7°C / -7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 25 mm. Feb: 30 mm. Mar: 60 mm. Apr: 55 mm. May: 106 mm. Jun: 58 mm. Jul: 52 mm. Aug: 46 mm. Sep: 34 mm. Oct: 29 mm. Nov: 25 mm. Dec: 18 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 62%. Feb: 58%. Mar: 56%. Apr: 52%. May: 59%. Jun: 49%. Jul: 48%. Aug: 48%. Sep: 45%. Oct: 48%. Nov: 53%. Dec: 54%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 15 km/h . May: 14 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 10h. Nov: 8h. Dec: 8h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 10 days. Feb: 9 days. Mar: 10 days. Apr: 8 days. May: 3 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 3 days. Nov: 6 days. Dec: 7 days.
Climate Trends
Average highs have warmed by 0.9°C (1.6°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Jul · 30°C |
| Coldest month | Jan 2025 · -15°C | Jan · -10°C |
| Wettest month | Jun 2025 · 103 mm | May · 106 mm |
| Windiest month | Apr 2025 · 15 km/h | Apr · 15 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -10°C | 0°C / -15°C | 5days (25 mm) Good | 7.8h Good | 62% Muggy | 3.3 Moderate | Poor | View Details |
| February | 7°C / -9°C | 3°C / -14°C | 6days (30 mm) Good | 9.1h Good | 58% Moderate | 4.5 Moderate | Poor | View Details |
| March | 11°C / -5°C | 8°C / -9°C | 8days (60 mm) Wet | 10.2h Excellent | 56% Moderate | 5.9 High | Poor | View Details |
| April | 16°C / 0°C | 13°C / -4°C | 9days (55 mm) Wet | 11.2h Excellent | 52% Moderate | 7 High | Poor | View Details |
| May | 20°C / 5°C | 18°C / 2°C | 14days (106 mm) Wet | 11.7h Excellent | 59% Moderate | 7.8 Very High | Fair | View Details |
| June best | 28°C / 12°C | 26°C / 9°C | 10days (58 mm) Wet | 13h Excellent | 49% Moderate | 8.3 Very High | Excellent | View Details |
| July best | 30°C / 15°C | 30°C / 13°C | 11days (52 mm) Wet | 13h Excellent | 48% Moderate | 8.5 Very High | Excellent | View Details |
| August best | 29°C / 14°C | 28°C / 13°C | 9days (46 mm) Wet | 11.9h Excellent | 48% Moderate | 7.8 Very High | Excellent | View Details |
| September best | 27°C / 10°C | 24°C / 8°C | 6days (34 mm) Good | 11h Excellent | 45% Moderate | 6.6 High | Excellent | View Details |
| October | 19°C / 3°C | 15°C / -1°C | 6days (29 mm) Good | 9.5h Good | 48% Moderate | 5.2 High | Fair | View Details |
| November | 12°C / -3°C | 8°C / -8°C | 4days (25 mm) Good | 8.3h Good | 53% Moderate | 3.5 Moderate | Poor | View Details |
| December | 7°C / -7°C | 3°C / -12°C | 4days (18 mm) Good | 7.7h Good | 54% Moderate | 2.9 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Centennial are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Centennial, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Centennial is July, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Centennial is January, with average overnight lows of -10°C (13°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Centennial is May, averaging 106mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Centennial runs through May, July, June, with the heaviest rainfall in May. Based on 10-year averages for Centennial.
Centennial receives approximately 124 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Centennial.
The least favorable months to visit Centennial are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Centennial is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Centennial is 53%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Centennial receives snow. Months with snowfall average 7 snow days and 17 cm (7 in) of accumulation, with about 20 frost days during winter.
Average wind speeds in Centennial are 14 km/h (9 mph). The windiest month is April with peak winds reaching 15 km/h (9 mph) (gusts up to 38 km/h / 23 mph).
Centennial averages 8 clear-sky days per month with overall cloud cover around 42%. The clearest skies occur in October.
The annual average dew point in Centennial is 0°C (32°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Centennial has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Centennial ranges from -2°C (28°F) to 15°C (59°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Centennial. It earns a climate score of 8/10 with Excellent.
For June in Centennial, pack Warm evening layer, Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+). With average highs of 28°C (82°F) and 10 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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