Worcester, MA weather in May
In May, Worcester sees highs around 67°F and lows around 47°F: mild, with frequent rain. Expect about 13 wet days.
- Normal high
- 67°F
- Normal low
- 47°F
- Wet days
- 13
- 3.6 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 63°F | 70°F |
| Normal low | 42°F | 51°F |
| Chance of a wet day | 42% | 41% |
| Sunrise / sunset | 5:42 am / 7:46 pm | 5:13 am / 8:16 pm |
| Daylight | 14.1 h | 15.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical May day
- 6 am54°Fdew point 45°F
- 9 am59°Fdew point 46°F
- Noon62°Fdew point 46°F
- 3 pm62°Fdew point 46°F
- 6 pm60°Fdew point 45°F
- 9 pm57°Fdew point 46°F
NOAA hourly normals (local standard time) from Boston Logan Intl Airport (41 mi away); average wind 11 mph; clear or few clouds in 22% of daytime hours, mostly cloudy or overcast in 61%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow13 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 3.6 in; a dry May brings about 2.5 in and a wet one about 4.2 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202015: average high 74°F
- Coolest May2005: average high 59°F
- Wettest May2006: 6.6 in
- Driest May2015: 0.6 in
- Highest reading94°F (May 26, 2010)
- Lowest reading29°F (May 6, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 56°F | 67°F | 75°F |
| Normal low | 37°F | 47°F | 56°F |
| Wet days | 13 | 13 | 12 |
| Comfortable days | 5 | 14 | 15 |
| Daylight | 13.4 h | 14.6 h | 15.2 h |
Highs change by +11°F from April and +8°F into June.
Nearby alternatives in May
- Warmer: Springfield, MA42 mi · high 72°F · 12 wet days
- Cooler: Nantucket, MA111 mi · high 61°F · 12 wet days
How Worcester ranks in May
- Normal high319th warmest of 378 cities; 6th of 9 in Massachusetts
- Wet days345th driest of 378
- Comfortable days138th most of 339
What to pack for Worcester in May
- A rain jacket or umbrella – rain on about 13 days
Heating and cooling
May has 278 heating degree days and 21 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How cold is Worcester in May?
The normal high is 67°F and the normal low is 47°F. From 1991 to 2020 the coldest May reading was 29°F (May 6, 1992).
Does it rain a lot in Worcester in May?
About 13 days in May have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest May in 1991-2020 was in 2006 (6.6 in); the driest was in 2015 (0.6 in).
Is May a good time to visit Worcester?
May ranks 2nd of 12 months on our comfort score for Worcester (71 out of 100). It has about 14 comfortable days. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall and frost dates: Worcester Rgnl Airport (USW00094746), 3.7 mi W of the city center, 1,000 ft (516 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Northbridge 2 (USC00195524), 12 mi SSE of the city center, 315 ft (169 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Boston Logan Intl Airport (USW00014739), 41 mi E of the city center, 12 ft (472 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Orange Municipal Airport (725085-54756), 33 mi NW of the city center, 544 ft (60 ft higher than the city). Hourly observations, 1991-2020.