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Weather on May 19

Boston, MA

55 Years of Data

Avg High
65°F
Avg Low
50°F
Warmest
2026
82°F avg
Coldest
1994
46°F avg

About This Date

May 19th in Boston, MA typically brings mild spring weather, with average highs around 65°F and lows near 50°F. Over 56 years of records, the warmest May 19th was in 2026 (82°F average), while the coldest was 1994 (46°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 50% of May 19th dates historically, with the wettest May 19th recording 2.62" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

Planning for May 19th in Boston, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest96°68°82°0.51"
202564°50°57°
202457°51°54°0.2"
202369°46°58°
202264°53°59°0.03"
202172°58°65°
202055°47°51°
201973°53°63°0.56"
201855°46°51°0.51"
201790°58°74°0.03"
201660°50°55°
201565°52°58°0.69"
201468°52°60°0.13"
201363°50°56°0.43"
201266°51°59°
201161°51°56°1.27"
201057°48°53°0.51"
200965°46°55°
200860°50°55°
200753°43°48°1.09"
200665°52°58°1.19"
200561°46°53°0.03"
200470°56°63°
200375°52°63°
200259°40°49°
200178°50°64°
200063°43°53°0.94"
199973°55°64°0.41"
199873°57°65°
199756°46°51°2.34"
199667°53°60°0.03"
199566°50°58°0.23"
1994coldest50°43°46°0.03"
199351°49°50°0.66"
199258°52°55°
199163°46°54°
199062°51°57°
198961°53°57°
198851°49°50°2.62"
198753°46°50°
198690°62°76°
198561°47°54°0.13"
198472°43°57°0.13"
198370°48°59°
198280°55°68°
198172°45°58°
198080°59°70°
197953°51°52°0.23"
197869°52°60°
197757°50°54°0.03"
197663°44°53°0.69"
197576°56°66°
197458°49°53°
197366°43°54°
197260°47°53°0.1"
197159°48°54°
56 years of data from BOSTON

Boston, MA 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

Boston, MA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.2"10.4"JFMAMJJASOND2.4"0"
Rain (in) Snow (in)

Boston, MA 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 Boston, MA

Boston, MA 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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