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Weather on June 25

New Haven, CT

55 Years of Data

Avg High
81°F
Avg Low
63°F
Warmest
2025
86°F avg
Coldest
1974
62°F avg

About This Date

June 25th in New Haven, CT typically brings warm summer weather, with average highs around 81°F and lows near 63°F. Over 50 years of records, the warmest June 25th was in 2025 (86°F average), while the coldest was 1974 (62°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 25th dates historically, with the wettest June 25th recording 2.67" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for June 25th in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest98°74°86°
202490°68°79°
202383°69°76°
202286°63°74°
202175°61°68°0.05"
202084°65°74°
201973°67°70°1.96"
201880°60°70°
201780°62°71°
201679°56°67°
201578°56°67°
201482°66°74°
201390°68°79°
201273°61°67°2.67"
201175°61°68°
201081°69°75°
200976°64°70°0.03"
200880°62°71°
200782°56°69°
200672°67°69°0.18"
200586°66°76°
200479°62°70°
200390°62°76°
200278°64°71°
200184°59°72°0.03"
200086°63°74°
199684°62°73°
199575°65°70°0.71"
199275°58°66°1.78"
199184°52°68°
199085°63°74°
198982°53°68°
198878°65°71°
198787°62°75°
198681°53°67°
198572°53°62°
198480°63°71°2.49"
198388°63°75°
198281°54°67°
198180°68°74°0.18"
198093°72°82°
197978°52°65°
197887°59°73°
197778°63°70°
197689°72°80°
197592°75°83°
1974coldest66°58°62°
197374°65°69°
197268°59°64°
197186°65°75°
50 years of data from NEW HAVEN

New Haven, CT Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

New Haven, CT Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"6.3"12.6"JFMAMJJASOND2.3"0"
Rain (in) Snow (in)

New Haven, CT Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit New Haven, CT

New Haven, CT has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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