Climate Comfort Score
54/100
Moderate
NOAA 1991–2020 normals 46°F annual avg Public-domain federal data
Glenbrook, NV Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 46°F
- Avg annual temp
- 54/100
- Comfort score
- 18.5"
- Annual precip
- 126d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Glenbrook
Glenbrook, Nevada averages 46°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.
- 46°F
- annual average temperature (NOAA normal)
- 54/100
- comfort score, milder than 27% of U.S. cities
- 18.5"
- annual precipitation
- 126 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
46°F (8°C)
Avg High
57°F
Avg Low
35°F
Annual Precip
18.5"
Comfort Score
54/100
Moderate
Avg Annual Temperature
46°F
30-year mean (NOAA NCEI)
Annual Precipitation
18.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Glenbrook) 54.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Glenbrook area.
How Glenbrook compares to every U.S. city
Glenbrook's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 Top 73% higher than 27% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Glenbrook
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Glenbrook captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 41°F (5°C) | 25°F (-4°C) | 33°F (0°C) | 3.2" | 26.9 | 0.0 |
| February | 41°F (5°C) | 25°F (-4°C) | 33°F (1°C) | 2.7" | 24.3 | 0.0 |
| March | 46°F (8°C) | 28°F (-2°C) | 37°F (3°C) | 2.6" | 24.5 | 0.0 |
| April | 51°F (11°C) | 30°F (-1°C) | 41°F (5°C) | 1.3" | 18.6 | 0.0 |
| May | 59°F (15°C) | 37°F (3°C) | 48°F (9°C) | 1.3" | 7.6 | 0.0 |
| June | 69°F (21°C) | 42°F (5°C) | 56°F (13°C) | 0.6" | 1.3 | 0.0 |
| July | 77°F (25°C) | 50°F (10°C) | 63°F (17°C) | 0.3" | 0.0 | 0.3 |
| August | 76°F (25°C) | 50°F (10°C) | 63°F (17°C) | 0.2" | 0.0 | 0.0 |
| September | 71°F (22°C) | 45°F (7°C) | 58°F (15°C) | 0.3" | 0.7 | 0.0 |
| October | 60°F (15°C) | 38°F (3°C) | 49°F (9°C) | 1.0" | 6.1 | 0.0 |
| November | 48°F (9°C) | 30°F (-1°C) | 39°F (4°C) | 1.9" | 17.5 | 0.0 |
| December | 40°F (5°C) | 25°F (-4°C) | 33°F (0°C) | 3.0" | 25.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 3.2"
7.8 days with precipitation
February 2.7"
7.1 days with precipitation
March 2.6"
6.0 days with precipitation
April 1.3"
4.4 days with precipitation
May 1.3"
4.6 days with precipitation
June 0.6"
2.3 days with precipitation
July 0.3"
0.9 days with precipitation
August 0.2"
1.1 days with precipitation
September 0.3"
1.6 days with precipitation
October 1.0"
3.2 days with precipitation
November 1.9"
4.9 days with precipitation
December 3.0"
6.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 9
50% probability date
Last Spring Freeze
June 5
50% probability date
Growing Season
126 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,969
Higher = more heating needed
Cooling Degree Days
66
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Glenbrook's climate means for you
Glenbrook runs 46°F a year - peaking in August, coldest in January.
- Gardeners get about 126 frost-free days, with the last spring freeze near June 5 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,969 heating and 66 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Glenbrook, NV
In Glenbrook, Nevada, the NOAA 1991–2020 climate normals put the annual average temperature at 46°F, ranging from a mean daily high of 57°F to a mean daily low of 35°F. August is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00263205, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Glenbrook averages 18.5 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 126 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 5 and the first fall freeze near October 9. As for energy demand, 6,969 heating degree days and 66 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Glenbrook scores 54/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Glenbrook, NV? ▼
The average annual temperature in Glenbrook, Nevada is 46°F. The warmest month averages 77°F (25°C) and the coldest averages 25°F (-4°C).
How much rain does Glenbrook get? ▼
Glenbrook receives 18.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Glenbrook? ▼
Glenbrook has a climate comfort score of 54/100 (Moderate), milder than 27% of U.S. cities in the PlainClimate database.
When is the growing season in Glenbrook? ▼
Glenbrook has approximately 126 frost-free days per year, with the last spring freeze around June 5 and the first fall freeze around October 9.
How much energy does heating and cooling require in Glenbrook? ▼
Glenbrook has 6,969 heating degree days and 66 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Glenbrook climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00263205 near Glenbrook.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00263205. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.