Douglas weather in May

In May, Douglas sees average daytime highs of 88°F and overnight lows near 58°F, with 0.2 in of rain across 1.2 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 84°F in the first days to 91°F by the end. The sky is clear or mostly clear about 73% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Douglas's 1st-clearest and 2nd-windiest month. For the whole year in context, see Douglas's year-round climate.

Daytime high
88°
5th warmest
Overnight low
58°
8th coldest
Rainfall
0.2 in
1.2 wet days
Daylight
13 h 36 min
5:27 AM – 7:02 PM
Cloud cover
24%
1st clearest
Wind
7 mph
2nd windiest
Solar energy
8.26 kWh/m²
Travel score
6.0
out of 10

Douglas is city in Cochise County, Arizona, United States.

Density
642/km²
people per km²
Founded
1905

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 84°F in the first days to 91°F by the end.

A typical May day in Douglas reaches about 88°F in the afternoon and slips back to 58°F overnight — a 30°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 94°F. Set against its neighbours, May runs about 8°F warmer than April and about 8°F cooler than June.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18454
28454
38454
48455
58555
68555
78555
88556
98656
108656
118656
128657
138757
148757
158758
168758
178858
188858
198858
208859
218959
228959
238960
249060
259060
269060
279161
289161
299161
309262
319262

How May really feels in Douglas

Once humidity and wind are folded in, May averages 8 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
8
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Douglas 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 daysDaylight (hours)Travel score
Jan62° / 36°1.13.510.26.4
Feb65° / 39°0.93.710.97.2
Mar72° / 44°0.6311.88.3
Apr79° / 49°0.21.312.78.5
May88° / 58°0.21.213.66.0
Jun95° / 67°0.42.1143.1
Jul93° / 70°2.010.413.83.0
Aug91° / 68°1.81113.13.8
Sep88° / 64°1.25.112.25.3
Oct80° / 54°0.73.211.28.0
Nov70° / 44°0.82.410.48.1
Dec61° / 36°1.14.5106.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28515
38515
48515
58515
68416
78416
88416
98416
108416
118416
128416
138416
148416
158416
168416
178416
188416
198515
208515
218515
228614
238614
248614
258614
268614
278614
288713
298713
308713
318713

Chance of precipitation in May

Any precipitation

Douglas gets around 0.2 in of rain over 1.2 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 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
22
32
42
52
63
73
83
93
103
113
123
133
144
154
164
174
184
194
205
215
225
235
245
255
265
275
285
295
305
315

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

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 12 min at the start of May to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:39 AM to 5:19 AM, and sunset from 6:52 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:396:52
213.25:386:52
313.35:376:53
413.35:366:54
513.35:356:54
613.35:356:55
713.45:346:56
813.45:336:57
913.45:326:57
1013.45:316:58
1113.55:306:59
1213.55:306:59
1313.55:297:00
1413.55:287:01
1513.65:277:01
1613.65:277:02
1713.65:267:03
1813.65:257:03
1913.75:257:04
2013.75:247:05
2113.75:247:05
2213.75:237:06
2313.75:237:07
2413.85:227:07
2513.85:227:08
2613.85:217:09
2713.85:217:09
2813.85:207:10
2913.85:207:11
3013.95:207:11
3113.95:197:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 8.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 8.26 kWh/m² in May across the year — May's 8.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.1Intense
48.1Intense
58.1Intense
68.2Intense
78.2Intense
88.2Intense
98.2Intense
108.2Intense
118.2Intense
128.2Intense
138.2Intense
148.2Intense
158.2Intense
168.3Intense
178.3Intense
188.3Intense
198.3Intense
208.3Intense
218.3Intense
228.3Intense
238.3Intense
248.3Intense
258.3Intense
268.3Intense
278.3Intense
288.3Intense
298.4Intense
308.4Intense
318.4Intense
Planning a trip in May

Is May a good time to visit Douglas?

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

6.0
Sightseeing
8th-best month of the year
8.6
Beach & pool
1st-best month of the year

May is a reasonable time to visit Douglas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Douglas in May

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

In May, Douglas sees daytime highs around 88°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Douglas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Douglas peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 20UV 12Dec 19UV 4
UV index (midday)Level
Jan5Moderate
Feb5High
Mar8Very high
Apr10Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct7Very high
Nov5High
Dec4Moderate
Location & terrain

Where is Douglas?

Douglas sits at 31.3°N, 109.5°W, 4,009 ft above sea level, in United States. The nearest listed city is Agua Prieta, 1.2 mi away.

Topography around Douglas

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

Within 2 miles, the terrain around Douglas has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 4,009 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,142 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,218 ft.

The land around Douglas is covered by artificial surfaces (50%) and shrubs (36%) within 2 miles, shrubs (72%) within 10 miles, and shrubs (64%) and grassland (26%) within 50 miles.

2 miles
246 ft
10 miles
2,142 ft
50 miles
7,218 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Agua Prieta 1.2 mi · Sierra Vista 47 mi · Cananea 51 mi · Nogales 82 mi · Nogales 83 mi · Vail 84 mi · Rio Rico 85 mi · Green Valley 92 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 Douglas (31.3446°, -109.5453°, elevation 4,009 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).