Northglenn in Spring
In spring (March, April and May), Northglenn sees average daytime highs around 61°F and overnight lows near 35°F, with 7.7 in of precipitation over about 29 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 49°F in early March to 74°F by late May. The sky is clear or mostly clear about 31% of the time across spring, and the air most often feels dry.
Spring is Northglenn's 3rd-best season to visit on our travel score. For the whole year in context, see Northglenn's year-round climate.
- Avg daytime high
- 61°F
- 3rd-warmest season
- Avg overnight low
- 35°F
- Precipitation
- 7.7 in
- 29 wet days
- Avg wind
- 5 mph
- Travel score
- 4.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Northglenn in Spring
Over the season highs climb from about 49°F in early March to 74°F by late May.
A typical spring day in Northglenn reaches about 61°F and drops to 35°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Northglenn
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 55 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Northglenn 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 (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 41° / 18° | 0.8 | 4.7 | 4.8 | 9.5 | 0.2 |
| Feb | 44° / 20° | 0.8 | 5.6 | 5.5 | 10.4 | 1.0 |
| Mar | 54° / 27° | 1.7 | 7.6 | 5 | 11.7 | 3.5 |
| Apr | 60° / 34° | 2.7 | 9.9 | 4.3 | 13 | 4.9 |
| May | 69° / 44° | 3.3 | 11.9 | 0.7 | 14.2 | 6.1 |
| Jun | 80° / 53° | 2.1 | 9.2 | 0 | 14.8 | 6.6 |
| Jul | 86° / 59° | 1.7 | 8.5 | 0 | 14.5 | 5.2 |
| Aug | 84° / 57° | 1.6 | 7.3 | 0 | 13.6 | 6.1 |
| Sep | 77° / 49° | 1.5 | 6.1 | 0.4 | 12.3 | 7.6 |
| Oct | 64° / 37° | 1.6 | 6.3 | 2.1 | 10.9 | 6.4 |
| Nov | 51° / 26° | 1.1 | 5.8 | 4.6 | 9.8 | 2.9 |
| Dec | 41° / 18° | 0.8 | 4.6 | 4.7 | 9.2 | 0.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 31% of the time across spring.
Chance of precipitation in Spring
Northglenn gets around 7.7 in of rain and snow over 29 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 36 min 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.
Is spring a good time to visit Northglenn?
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 reasonable time to visit Northglenn for sightseeing.
What to pack for Northglenn in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Northglenn sees daytime highs around 61°F and nights near 35°F. Pack sun protection. Worth having: a warm layer and rain gear. About 29 days see rain.
UV index in Northglenn in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Northglenn peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 7 | 6 | 7 | 10 | 11 | 10 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | High | High | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Northglenn 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 Northglenn is worst in August — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (May, 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) | 17 | 15 | 16 | 13 | 13 | 14 | 14 | 21 | 13 | 15 | 15 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 15 | Moderate |
| Mar | 16 | Moderate |
| Apr | 13 | Moderate |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 14 | Moderate |
| Aug | 21 | Moderate |
| Sep | 13 | Moderate |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 16 | Moderate |
Where is Northglenn?
Northglenn sits at 39.9°N, 105.0°W, 5,377 ft above sea level, in United States. The nearest listed city is Thornton, 1.2 mi away.
Topography around Northglenn
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Northglenn.
Within 2 miles, the terrain around Northglenn has only modest variations in elevation — a maximum elevation change of 394 ft around an average of 5,364 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 951 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,708 ft.
The land around Northglenn is covered by artificial surfaces (66%) within 2 miles, artificial surfaces (42%) and grassland (36%) within 10 miles, and grassland (42%) and trees (31%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Northglenn (39.8855°, -104.9872°, elevation 5,377 ft), 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.