30-year climate normals

Putnam County Climate and Weather Averages

Hottest month — July

77.9°

average daily high. The coldest month is January, averaging a low of 16.0°F.

Putnam County gets 50.35" of precipitation a year, and 28% of it falls in Jul, Aug, Sep.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

Month	Avg high	Avg low	Precip
January	33.4°	16.0°	3.90"
February	36.3°	19.1°	2.98"
March	43.6°	26.2°	4.15"
April	56.6°	37.1°	3.55"
May	66.5°	47.1°	4.08"
June	73.5°	55.9°	4.56"
July	77.9°	61.1°	4.22"
August	76.1°	60.1°	4.90"
September	70.0°	52.8°	4.92"
October	59.6°	40.9°	4.21"
November	48.7°	31.6°	3.91"
December	38.6°	23.1°	4.97"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 28% falling in the wettest three months (Jul, Aug, Sep).

January 3.90"

February 2.98"

March 4.15"

April 3.55"

May 4.08"

June 4.56"

July 4.22"

August 4.90"

September 4.92"

October 4.21"

November 3.91"

December 4.97"

Annual total 50.35"

What this climate costs you

Degree days measure how hard a building has to work to stay comfortable. They are the reason two identical houses have very different power bills, and they are the link between the weather here and what you pay every month.

Cooling degree days How much air conditioning the climate demands 405

Heating degree days How much heating the climate demands 6,573

Approximate annual cooling cost At 29.93¢/kWh, New York average $121

Approximate annual electric heating cost Lower where heating is gas rather than electric $689

These are rough planning figures from degree days and the state electricity price, not a bill estimate. House size, insulation and fuel type move them a lot. See the full cost of owning a home in Putnam County, where electricity is one line of eight.

Common questions

What is the weather like in Putnam County?

Putnam County averages a high of 77.9°F in July and a low of 16.0°F in January. Annual precipitation is 50.35 inches, with essentially no snow.

When is the rainy season in Putnam County?

The wettest stretch is Jul, Aug, Sep, which accounts for 28% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Putnam County?

The average daily high in July, the hottest month, is 77.9°F. That drives 405 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Putnam County?

Effectively no. Measurable snowfall is rare in Putnam County.

Sources

Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station CARMEL 4N, NY US (USC00301211), 5.5 miles from the county centroid.
Heating and cooling degree days — NOAA, same station and period.
Electricity price — US Energy Information Administration, Electric Power Monthly Table 5.6.A, New York residential average.
Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.