Palmer weather in May

In May, Palmer sees average daytime highs of 65°F and overnight lows near 49°F, with 3.2 in of precipitation across 11 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 61°F in the first days to 69°F by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Palmer's 12th-clearest and 8th-windiest month. For the whole year in context, see Palmer's year-round climate.

Daytime high
65°
5th warmest
Overnight low
49°
8th coldest
Precipitation
3.2 in
11 wet days
Daylight
14 h 24 min
4:34 AM – 6:57 PM
Cloud cover
65%
12th clearest
Wind
7 mph
8th windiest
Solar energy
5.48 kWh/m²
Travel score
5.6
out of 10

Palmer is census-designated place in Hampden County, Massachusetts, United States.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 61°F in the first days to 69°F by the end.

A typical May day in Palmer reaches about 65°F in the afternoon and slips back to 49°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 76°F. Set against its neighbours, May runs about 10°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16045
26045
36146
46146
56146
66246
76247
86247
96347
106347
116348
126448
136448
146449
156449
166549
176549
186550
196650
206650
216751
226751
236751
246852
256852
266853
276953
286953
296954
307054
317054

How May really feels in Palmer

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Palmer weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 19°3.39.86.39.30.0
Feb35° / 20°3.08.75.710.30.0
Mar43° / 28°4.010.5511.60.6
Apr55° / 39°3.5111.613.13.3
May65° / 49°3.2110.114.45.6
Jun74° / 59°3.611.10156.5
Jul80° / 65°3.49.9014.86.6
Aug78° / 63°3.49.3013.76.9
Sep71° / 56°3.68.4012.36.9
Oct59° / 45°4.09.70.410.84.7
Nov48° / 35°3.391.49.61.8
Dec38° / 26°4.110.35.290.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
73961
83862
93961
104060
114060
124060
134060
144159
154060
164060
174159
184159
194159
204159
214159
224159
234159
244159
254159
264159
274357
284258
294159
304258
314357

Chance of precipitation in May

Any precipitation

Palmer gets around 3.2 in of rain and snow over 11 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1835
1935
2035
2135
2235
2335
2434
2534
2634
2734
2834
2935
3035
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
196310
296310
395410
495410
594510
694510
794510
893610
993610
1092710
1192710
1291720
1390820
1490820
1590820
1689830
1788930
1887940
19861040
20851050
21831160
22821260
23801370
24791380
25771481
26751591
27741691
287316101
297217101
307018111
316918112

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:52 AM to 4:22 AM, and sunset from 6:41 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:526:41
213.84:516:42
313.94:506:43
413.94:486:44
514.04:476:45
614.04:466:46
714.14:446:47
814.14:436:48
914.14:426:50
1014.24:416:51
1114.24:406:52
1214.24:386:53
1314.34:376:54
1414.34:366:55
1514.34:356:56
1614.44:346:57
1714.44:336:58
1814.54:326:59
1914.54:317:00
2014.54:307:01
2114.54:297:02
2214.64:287:03
2314.64:287:04
2414.64:277:05
2514.74:267:06
2614.74:257:07
2714.74:257:08
2814.74:247:09
2914.84:237:10
3014.84:237:10
3114.84:227:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.48 kWh/m².

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 5.88 kWh/m² in July across the year — May's 5.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Palmer?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Palmer for sightseeing.

What to pack for Palmer in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Palmer sees daytime highs around 65°F and nights near 49°F. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Palmer in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Palmer peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May8Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Palmer?

Palmer sits at 42.2°N, 72.3°W, 344 ft above sea level, in United States. The nearest listed city is Ludlow, 7.5 mi away.

Topography around Palmer

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Palmer.

Within 2 miles, the terrain around Palmer has only modest variations in elevation — a maximum elevation change of 719 ft around an average of 538 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,155 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,097 ft.

The land around Palmer is covered by trees (85%) within 2 miles, trees (87%) within 10 miles, and trees (91%) within 50 miles.

2 miles
719 ft
10 miles
1,155 ft
50 miles
3,097 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ludlow 7.5 mi · East Longmeadow 11 mi · Springfield 14 mi · North Chicopee 14 mi · Chicopee 14 mi · South Hadley 14 mi · Longmeadow 15 mi · Holyoke 15 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Palmer (42.1584°, -72.3287°, elevation 344 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).