Climate Comfort Score
68/100
Good
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Shirley Brookhaven
Shirley Brookhaven, New York averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
52°F (11°C)
Avg High
61°F
Avg Low
44°F
Annual Precip
44.2"
Comfort Score
68/100
Good
Climate Comfort Score
68/100
Good
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
44.2"
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Shirley Brookhaven area.
Shirley Brookhaven's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
68 Top 42% higher than 58% 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
Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Shirley Brookhaven's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 39°F (4°C) | 24°F (-5°C) | 32°F (0°C) | 3.0" | 24.7 | 0.0 |
| February | 41°F (5°C) | 25°F (-4°C) | 33°F (0°C) | 3.1" | 23.1 | 0.0 |
| March | 47°F (9°C) | 31°F (0°C) | 39°F (4°C) | 4.6" | 17.0 | 0.0 |
| April | 58°F (14°C) | 40°F (4°C) | 49°F (9°C) | 4.1" | 5.5 | 0.0 |
| May | 68°F (20°C) | 49°F (10°C) | 59°F (15°C) | 3.5" | 0.2 | 0.0 |
| June | 77°F (25°C) | 60°F (15°C) | 68°F (20°C) | 3.7" | 0.0 | 1.2 |
| July | 83°F (28°C) | 66°F (19°C) | 74°F (23°C) | 3.2" | 0.0 | 3.8 |
| August | 81°F (27°C) | 65°F (18°C) | 73°F (23°C) | 3.0" | 0.0 | 2.2 |
| September | 74°F (24°C) | 57°F (14°C) | 66°F (19°C) | 3.9" | 0.0 | 0.1 |
| October | 64°F (18°C) | 46°F (8°C) | 55°F (13°C) | 4.0" | 1.8 | 0.0 |
| November | 54°F (12°C) | 37°F (3°C) | 45°F (7°C) | 3.6" | 10.3 | 0.0 |
| December | 45°F (7°C) | 29°F (-1°C) | 37°F (3°C) | 4.5" | 21.2 | 0.0 |
Average monthly rainfall
10.8 days with precipitation
10.4 days with precipitation
10.9 days with precipitation
12.3 days with precipitation
13.4 days with precipitation
10.9 days with precipitation
9.6 days with precipitation
10.8 days with precipitation
10.8 days with precipitation
12.2 days with precipitation
10.3 days with precipitation
11.8 days with precipitation
First Fall Freeze
October 28
50% probability date
Last Spring Freeze
April 18
50% probability date
Growing Season
193 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,346
Higher = more heating needed
Cooling Degree Days
784
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Shirley Brookhaven's climate means for you
Shirley Brookhaven runs 52°F a year - peaking in July, coldest in January.
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
The NOAA 1991–2020 climate normals describe Shirley Brookhaven, New York as a location with an annual average temperature of 52°F, ranging from a mean daily high of 61°F to a mean daily low of 44°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USW00054790, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Shirley Brookhaven receives roughly 44.2 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 193 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 18 and the first fall freeze near October 28. For energy use, 5,346 heating degree days and 784 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Shirley Brookhaven scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00054790. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
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.