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Weather on April 21

Buffalo, NY

55 Years of Data

Avg High
59°F
Avg Low
40°F
Warmest
1977
71°F avg
Coldest
1981
31°F avg

About This Date

April 21st in Buffalo, NY typically brings cool spring weather, with average highs around 59°F and lows near 40°F. Over 56 years of records, the warmest April 21st was in 1977 (71°F average), while the coldest was 1981 (31°F) — a 40°F range across recorded history. Precipitation has occurred on 41% of recorded April 21st dates, with snow falling 7% of the time (heaviest snowfall: 3.1"). The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.

Planning for April 21st in Buffalo, NY? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Cooling Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202658°27°42°
202572°45°58°1.47"
202446°40°43°
202377°47°62°0.05"
202255°42°49°0.28"
202137°30°34°0.84"3.1"
202050°31°41°0.33"0.1"
201949°40°44°
201850°27°39°
201753°44°49°
201671°47°59°
201552°40°46°
201471°47°59°
201347°28°38°
201257°39°48°1.07"
201143°31°37°
201060°41°51°
200956°40°48°0.2"
200877°54°65°
200765°39°52°
200678°51°65°0.08"
200554°35°44°
200476°47°61°0.76"
200363°49°56°0.3"
200241°33°37°0.03"
200166°47°56°0.28"
200057°44°51°0.71"
199961°36°48°
199862°38°50°
199758°30°44°
199654°41°47°
199568°45°56°0.48"
199446°34°40°
199354°35°44°0.05"
199270°60°65°1.27"
199144°40°42°3.15"
199053°44°49°0.18"
198955°35°45°
198847°34°40°
198775°50°63°
198662°34°48°0.15"
198574°55°64°
198451°36°43°
198345°33°39°0.03"0.1"
198242°33°38°
1981coldest40°23°31°
198060°37°49°
197974°41°57°
197838°32°35°0.2"0.8"
1977warmest80°63°71°0.1"
197681°50°65°0.94"
197544°32°38°
197474°41°57°
197380°59°70°
197253°26°40°
197166°29°47°
56 years of data from GRAND ISLAND

Buffalo, NY 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

Buffalo, NY Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"4.3"8.6"JFMAMJJASOND1.8"0"
Rain (in) Snow (in)

Buffalo, NY 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 Buffalo, NY

Buffalo, NY 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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