Colorado weather in March
In March, Colorado sees average daytime highs of 31°C and overnight lows near 22°C, with 105 mm of rain across 13.2 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Colorado's 7th-clearest and 10th-windiest month. For the whole year in context, see Colorado's year-round climate.
- Daytime high
- 31°
- 5th warmest
- Overnight low
- 22°
- 9th coldest
- Rainfall
- 105 mm
- 13.2 wet days
- Daylight
- 12 h 12 min
- 7:33 AM – 7:42 PM
- Cloud cover
- 55%
- 7th clearest
- Wind
- 9 km/h
- 10th windiest
- Solar energy
- 5.39 kWh/m²
- Travel score
- 4.4
- out of 10
Colorado is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 31°C through the month.
A typical March day in Colorado reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 22 |
| 2 | 31 | 22 |
| 3 | 31 | 22 |
| 4 | 31 | 22 |
| 5 | 31 | 22 |
| 6 | 31 | 22 |
| 7 | 31 | 22 |
| 8 | 31 | 22 |
| 9 | 31 | 22 |
| 10 | 31 | 22 |
| 11 | 31 | 22 |
| 12 | 31 | 22 |
| 13 | 31 | 22 |
| 14 | 31 | 22 |
| 15 | 31 | 22 |
| 16 | 31 | 22 |
| 17 | 31 | 22 |
| 18 | 31 | 22 |
| 19 | 31 | 21 |
| 20 | 30 | 21 |
| 21 | 30 | 21 |
| 22 | 30 | 21 |
| 23 | 30 | 21 |
| 24 | 30 | 21 |
| 25 | 30 | 21 |
| 26 | 30 | 21 |
| 27 | 30 | 21 |
| 28 | 30 | 21 |
| 29 | 30 | 21 |
| 30 | 30 | 21 |
| 31 | 30 | 21 |
How March really feels in Colorado
Once humidity and wind are folded in, March averages 27 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Colorado weather by month
How March compares with the rest of the year at a glance. March is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 22° | 195 | 19.1 | 13.2 | 3.5 |
| Feb | 31° / 22° | 147 | 16.9 | 12.8 | 3.6 |
| Mar | 31° / 22° | 105 | 13.2 | 12.2 | 4.4 |
| Apr | 29° / 20° | 63 | 7 | 11.5 | 5.9 |
| May | 26° / 17° | 80 | 7.1 | 10.9 | 7.3 |
| Jun | 25° / 15° | 61 | 6.1 | 10.6 | 7.8 |
| Jul | 25° / 15° | 43 | 4.8 | 10.7 | 8.0 |
| Aug | 28° / 16° | 44 | 4.3 | 11.2 | 7.5 |
| Sep | 29° / 18° | 91 | 8 | 11.9 | 5.9 |
| Oct | 30° / 20° | 127 | 11.8 | 12.5 | 4.7 |
| Nov | 31° / 21° | 124 | 12.3 | 13.1 | 4.3 |
| Dec | 31° / 22° | 152 | 16.7 | 13.4 | 3.8 |
Cloud cover in March
The sky is clear or mostly clear about 35% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 52 | 52 | 53 | 53 | 54 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 55 | 55 | 57 | 58 | 58 | 59 |
| Cloudier (%) | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 47 | 47 | 45 | 45 | 43 | 42 | 42 | 41 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 52 | 48 |
| 3 | 53 | 47 |
| 4 | 53 | 47 |
| 5 | 54 | 46 |
| 6 | 55 | 45 |
| 7 | 55 | 45 |
| 8 | 55 | 45 |
| 9 | 54 | 46 |
| 10 | 54 | 46 |
| 11 | 54 | 46 |
| 12 | 54 | 46 |
| 13 | 53 | 47 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 51 | 49 |
| 17 | 51 | 49 |
| 18 | 51 | 49 |
| 19 | 51 | 49 |
| 20 | 52 | 48 |
| 21 | 52 | 48 |
| 22 | 52 | 48 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 53 | 47 |
| 26 | 55 | 45 |
| 27 | 55 | 45 |
| 28 | 57 | 43 |
| 29 | 58 | 42 |
| 30 | 58 | 42 |
| 31 | 59 | 41 |
Chance of precipitation in March
Colorado gets around 105 mm of rain over 13.2 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 43% and peaks near 50% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 50 | 49 | 49 | 48 | 47 | 47 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 40 | 40 | 39 | 38 | 37 | 36 | 35 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 50 |
| 2 | 49 |
| 3 | 49 |
| 4 | 48 |
| 5 | 47 |
| 6 | 47 |
| 7 | 46 |
| 8 | 45 |
| 9 | 45 |
| 10 | 45 |
| 11 | 45 |
| 12 | 45 |
| 13 | 45 |
| 14 | 45 |
| 15 | 44 |
| 16 | 44 |
| 17 | 44 |
| 18 | 44 |
| 19 | 43 |
| 20 | 43 |
| 21 | 42 |
| 22 | 42 |
| 23 | 41 |
| 24 | 40 |
| 25 | 40 |
| 26 | 39 |
| 27 | 38 |
| 28 | 37 |
| 29 | 36 |
| 30 | 35 |
| 31 | 34 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Comfortable (%) | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 |
| Humid (%) | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 |
| Muggy (%) | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 |
| Oppressive (%) | 60 | 59 | 59 | 58 | 57 | 57 | 56 | 55 | 55 | 54 | 53 | 53 | 53 | 51 | 51 | 50 | 48 | 47 | 46 | 45 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 35 | 34 | 33 | 32 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 8 | 31 | 60 |
| 2 | 0 | 2 | 8 | 31 | 59 |
| 3 | 0 | 2 | 8 | 31 | 59 |
| 4 | 0 | 2 | 9 | 31 | 58 |
| 5 | 0 | 2 | 9 | 32 | 57 |
| 6 | 0 | 2 | 9 | 32 | 57 |
| 7 | 0 | 2 | 10 | 32 | 56 |
| 8 | 0 | 2 | 10 | 33 | 55 |
| 9 | 0 | 2 | 10 | 33 | 55 |
| 10 | 0 | 2 | 11 | 33 | 54 |
| 11 | 0 | 2 | 11 | 34 | 53 |
| 12 | 0 | 2 | 11 | 34 | 53 |
| 13 | 0 | 2 | 11 | 34 | 53 |
| 14 | 0 | 2 | 12 | 35 | 51 |
| 15 | 0 | 2 | 12 | 35 | 51 |
| 16 | 0 | 2 | 12 | 36 | 50 |
| 17 | 0 | 2 | 13 | 37 | 48 |
| 18 | 0 | 3 | 13 | 37 | 47 |
| 19 | 0 | 3 | 14 | 37 | 46 |
| 20 | 0 | 3 | 14 | 38 | 45 |
| 21 | 0 | 4 | 15 | 38 | 43 |
| 22 | 0 | 4 | 15 | 38 | 42 |
| 23 | 0 | 5 | 16 | 38 | 41 |
| 24 | 1 | 5 | 16 | 38 | 40 |
| 25 | 1 | 6 | 16 | 38 | 39 |
| 26 | 1 | 6 | 17 | 39 | 38 |
| 27 | 1 | 6 | 17 | 39 | 37 |
| 28 | 1 | 7 | 17 | 40 | 35 |
| 29 | 1 | 7 | 17 | 40 | 34 |
| 30 | 1 | 7 | 18 | 41 | 33 |
| 31 | 2 | 8 | 18 | 41 | 32 |
Wind in March
Winds average 9 km/h in March.
Across March, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in March
Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over March. Sunrise moves from 7:26 AM to 7:38 AM, and sunset from 7:56 PM to 7:28 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunrise (AM) | 7:26 | 7:27 | 7:27 | 7:28 | 7:28 | 7:29 | 7:29 | 7:29 | 7:30 | 7:30 | 7:31 | 7:31 | 7:31 | 7:32 | 7:32 | 7:33 | 7:33 | 7:33 | 7:34 | 7:34 | 7:35 | 7:35 | 7:35 | 7:36 | 7:36 | 7:36 | 7:37 | 7:37 | 7:37 | 7:38 | 7:38 |
| Sunset (PM) | 7:56 | 7:55 | 7:54 | 7:53 | 7:53 | 7:52 | 7:51 | 7:50 | 7:49 | 7:48 | 7:47 | 7:46 | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:36 | 7:35 | 7:34 | 7:33 | 7:32 | 7:31 | 7:30 | 7:29 | 7:28 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 7:26 | 7:56 |
| 2 | 12.5 | 7:27 | 7:55 |
| 3 | 12.5 | 7:27 | 7:54 |
| 4 | 12.4 | 7:28 | 7:53 |
| 5 | 12.4 | 7:28 | 7:53 |
| 6 | 12.4 | 7:29 | 7:52 |
| 7 | 12.4 | 7:29 | 7:51 |
| 8 | 12.3 | 7:29 | 7:50 |
| 9 | 12.3 | 7:30 | 7:49 |
| 10 | 12.3 | 7:30 | 7:48 |
| 11 | 12.3 | 7:31 | 7:47 |
| 12 | 12.3 | 7:31 | 7:46 |
| 13 | 12.2 | 7:31 | 7:45 |
| 14 | 12.2 | 7:32 | 7:44 |
| 15 | 12.2 | 7:32 | 7:43 |
| 16 | 12.2 | 7:33 | 7:42 |
| 17 | 12.1 | 7:33 | 7:41 |
| 18 | 12.1 | 7:33 | 7:41 |
| 19 | 12.1 | 7:34 | 7:40 |
| 20 | 12.1 | 7:34 | 7:39 |
| 21 | 12.1 | 7:35 | 7:38 |
| 22 | 12.0 | 7:35 | 7:37 |
| 23 | 12.0 | 7:35 | 7:36 |
| 24 | 12.0 | 7:36 | 7:35 |
| 25 | 12.0 | 7:36 | 7:34 |
| 26 | 11.9 | 7:36 | 7:33 |
| 27 | 11.9 | 7:37 | 7:32 |
| 28 | 11.9 | 7:37 | 7:31 |
| 29 | 11.9 | 7:37 | 7:30 |
| 30 | 11.8 | 7:38 | 7:29 |
| 31 | 11.8 | 7:38 | 7:28 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.39 kWh/m².
For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 6.23 kWh/m² in November across the year — March's 5.39 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.6 | Bright |
| 7 | 5.6 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
| 31 | 5.1 | Bright |
Hazard calendar for Colorado
In March, Colorado sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Colorado's rainy season runs September–March, when most of the year's rain falls.
Is March a good time to visit Colorado?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Colorado for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Colorado in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Colorado sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.
UV index in Colorado in March
Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Colorado peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 5 (moderate).
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) | 15 | 15 | 12 | 9 | 7 | 6 | 5 | 7 | 4 | 11 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | High | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Colorado in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Colorado is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (December, 7 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) | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 14 | 20 | 14 | 7 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 10 | Good |
| Jun | 10 | Good |
| Jul | 10 | Good |
| Aug | 14 | Moderate |
| Sep | 20 | Moderate |
| Oct | 14 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Colorado?
Colorado sits at 22.8°S, 52.0°W, 444 m above sea level, in Brazil. The nearest listed city is Teodoro Sampaio, 39 km away.
Topography around Colorado
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colorado.
Within 3 km, the terrain around Colorado has only modest variations in elevation — a maximum elevation change of 139 m around an average of 421 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 235 m; within 80 km, significant variations in elevation — a maximum elevation change of 551 m.
The land around Colorado is covered by grassland (38%) and cropland (38%) within 3 km, cropland (62%) and grassland (25%) within 16 km, and cropland (57%) and grassland (26%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 Colorado (-22.8375°, -51.9731°, elevation 444 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).