Callahan, FL

Climate overview — based on NOAA 1991-2020 normals from JACKSONVILLE, FL US.

Cfa Humid subtropical climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Callahan has an annual average temperature of 69.3°F with about 53.4 inches of precipitation per year. The warmest month is July (average high 91.9°F), and the coldest is January (average low 42.9°F). June is typically the wettest month (7.60 in) and November the driest (2.00 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
28.3°F
warmest to coldest month
Heating need
957
Cooling need
2,487

Best time to visit Callahan

Full guide →

Climate change signal

All-time records →

76 of 366 (20.8%) of Callahan's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1930s
32
1940s
59
1950s
55
1960s
32
1970s
16
1980s
35
1990s
36
2000s
11
2010s
54
2020s
36

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 65.5°F 42.9°F 54.2°F 3.28 in 8
February 68.9°F 46.1°F 57.5°F 2.86 in 8
March 74.3°F 50.6°F 62.4°F 3.29 in 8
April 79.8°F 56.4°F 68.1°F 2.93 in 6
May 85.9°F 63.9°F 74.9°F 3.42 in 7
June 89.9°F 70.7°F 80.3°F 7.60 in 14
July 91.9°F 73.2°F 82.5°F 6.77 in 14
August 90.8°F 73.4°F 82.1°F 6.88 in 15
September 87.2°F 70.5°F 78.8°F 7.56 in 12
October 80.9°F 61.5°F 71.2°F 4.03 in 8
November 73.2°F 51.3°F 62.3°F 2.00 in 7
December 67.5°F 45.8°F 56.7°F 2.78 in 8

Climate twins of Callahan

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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