Avon weather in May

In May, Avon sees average daytime highs of 69°F and overnight lows near 50°F, with 3.3 in of rain across 11 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 65°F in the first days to 73°F by the end. The sky is clear or mostly clear about 25% 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 Avon's 12th-clearest and 8th-windiest month. For the whole year in context, see Avon's year-round climate.

Daytime high
69°
5th warmest
Overnight low
50°
8th coldest
Rainfall
3.3 in
11 wet days
Daylight
14 h 24 min
4:37 AM – 6:58 PM
Cloud cover
65%
12th clearest
Wind
6 mph
8th windiest
Solar energy
5.54 kWh/m²
Travel score
6.2
out of 10

Avon is town in Connecticut, United States.

Founded
1830

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 65°F in the first days to 73°F by the end.

A typical May day in Avon reaches about 69°F in the afternoon and slips back to 50°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 81°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)
16445
26546
36546
46546
56547
66647
76647
86647
96748
106748
116748
126748
136849
146849
156849
166949
176950
186950
197051
207051
217151
227151
237152
247252
257253
267253
277353
287354
297354
307454
317455

How May really feels in Avon

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.

Avon weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 21°3.39.35.59.30.0
Feb39° / 23°3.08.6510.30.0
Mar47° / 30°4.110.5411.71.5
Apr59° / 40°3.610.9113.14.4
May69° / 50°3.311014.36.2
Jun78° / 59°3.811.50156.4
Jul84° / 65°3.510.6014.75.5
Aug82° / 63°3.910.1013.76.3
Sep74° / 56°3.88.5012.37.0
Oct62° / 45°4.19.20.210.95.5
Nov51° / 35°3.38.50.99.62.6
Dec41° / 27°4.110.14.490.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54159
64060
74159
84159
94159
104159
114159
124159
134159
144060
154060
164159
174159
184159
194159
204159
214159
224060
234060
244159
254159
264159
274258
284258
294357
304258
314357

Chance of precipitation in May

Any precipitation

Avon gets around 3.3 in of rain over 11 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
434
534
634
735
835
935
1036
1136
1236
1336
1436
1536
1636
1736
1836
1936
2036
2136
2236
2336
2435
2535
2635
2735
2835
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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193610
293610
391720
491720
590820
690820
788930
888930
9871030
10871030
11861040
12851140
13841150
14841150
15841150
16821260
17811270
18801271
19781381
20771391
21771391
227414102
237314112
247215112
257015123
266916123
276717133
286617134
296518134
306318145
316219145

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 4:55 AM to 4:25 AM, and sunset from 6:42 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:556:42
213.84:546:43
313.94:526:44
413.94:516:45
513.94:506:46
614.04:486:48
714.04:476:49
814.14:466:50
914.14:456:51
1014.14:446:52
1114.24:426:53
1214.24:416:54
1314.24:406:55
1414.34:396:56
1514.34:386:57
1614.44:376:58
1714.44:366:59
1814.44:357:00
1914.54:347:01
2014.54:337:02
2114.54:327:03
2214.54:317:04
2314.64:317:05
2414.64:307:06
2514.64:297:07
2614.74:287:08
2714.74:287:09
2814.74:277:10
2914.74:267:10
3014.84:267:11
3114.84:257:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.54 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.95 kWh/m² in June across the year — May's 5.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Avon

In seasonPeak

None of Avon's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Avon sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Avon?

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

6.2
Sightseeing
4th-best month of the year
3.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Avon for sightseeing.

What to pack for Avon in May

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

In May, Avon sees daytime highs around 69°F and nights near 50°F. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Avon 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 Avon 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

Air quality in Avon in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Avon is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1615 µg/m³Nov 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Good
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Avon?

Avon sits at 41.8°N, 72.8°W, 213 ft above sea level, in United States. The nearest listed city is Bloomfield, 5.6 mi away.

Topography around Avon

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

Within 2 miles, the terrain around Avon has significant variations in elevation — a maximum elevation change of 827 ft around an average of 338 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,247 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,552 ft.

The land around Avon is covered by trees (81%) within 2 miles, trees (79%) within 10 miles, and trees (83%) within 50 miles.

2 miles
827 ft
10 miles
1,247 ft
50 miles
2,552 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Bloomfield 5.6 mi · West Hartford 5.6 mi · Farmington 6.2 mi · Hartford 8.1 mi · Plainville 9.3 mi · Newington 9.3 mi · Windsor 9.9 mi · New Britain 11 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 Avon (41.8098°, -72.8307°, elevation 213 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).