Dumas weather in May

In May, Dumas sees average daytime highs of 79°F and overnight lows near 54°F, with 2.2 in of rain across 7 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 84°F by the end. The sky is clear or mostly clear about 50% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Dumas's 11th-clearest and 2nd-windiest month. For the whole year in context, see Dumas's year-round climate.

Daytime high: 79°; 5th warmest
Overnight low: 54°; 8th coldest
Rainfall: 2.2 in; 7 wet days
Daylight: 13 h 54 min; 5:47 AM – 7:41 PM
Cloud cover: 43%; 11th clearest
Wind: 11 mph; 2nd windiest
Solar energy: 7.1 kWh/m²
Travel score: 7.2; out of 10

Dumas is city in Texas, USA.

Density: 1,045/km²; people per km²

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

← April Dumas year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 75°F in the first days to 84°F by the end.

A typical May day in Dumas reaches about 79°F in the afternoon and slips back to 54°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 91°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°F)	74	74	75	75	76	76	76	77	77	78	78	78	79	79	79	80	80	80	81	81	81	82	82	82	82	83	83	83	84	84	84
Avg low (°F)	48	49	49	49	50	50	51	51	51	52	52	53	53	53	54	54	54	55	55	55	56	56	56	57	57	57	58	58	58	59	59

	Avg high (°F)	Avg low (°F)
1	74	48
2	74	49
3	75	49
4	75	49
5	76	50
6	76	50
7	76	51
8	77	51
9	77	51
10	78	52
11	78	52
12	78	53
13	79	53
14	79	53
15	79	54
16	80	54
17	80	54
18	80	55
19	81	55
20	81	55
21	81	56
22	82	56
23	82	56
24	82	57
25	82	57
26	83	57
27	83	58
28	83	58
29	84	58
30	84	59
31	84	59

How May really feels in Dumas

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

heat index over the day's high

Days feeling ≤ 32°F

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.

Dumas weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	50° / 26°	0.7	2.8	1.6	9.8	2.7
Feb	54° / 29°	0.6	3.1	1.6	10.6	4.0
Mar	63° / 36°	1.4	5	1.4	11.7	6.4
Apr	71° / 44°	1.6	5.4	0.4	12.9	7.5
May	79° / 54°	2.2	7	0	13.9	7.2
Jun	89° / 63°	2.0	8.3	0	14.4	4.7
Jul	91° / 67°	2.0	8	0	14.2	3.8
Aug	89° / 66°	2.5	9.2	0	13.4	4.4
Sep	83° / 59°	1.3	5.7	0	12.2	6.9
Oct	72° / 47°	1.6	4.9	0.4	11.1	8.0
Nov	60° / 35°	0.8	3.4	1.2	10.1	5.7
Dec	50° / 27°	1.0	3.7	2.4	9.6	2.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 32%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	69	68	68	68	68	68	68	68	68	68	68	68	69	69	69	68	68	68	67	67	67	66	67	67	67	67	66	67	67	68	69
Cloudier (%)	31	32	32	32	32	32	32	32	32	32	32	32	31	31	31	32	32	32	33	33	33	34	33	33	33	33	34	33	33	32	31

	Clearer (%)	Cloudier (%)
1	69	31
2	68	32
3	68	32
4	68	32
5	68	32
6	68	32
7	68	32
8	68	32
9	68	32
10	68	32
11	68	32
12	68	32
13	69	31
14	69	31
15	69	31
16	68	32
17	68	32
18	68	32
19	67	33
20	67	33
21	67	33
22	66	34
23	67	33
24	67	33
25	67	33
26	67	33
27	66	34
28	67	33
29	67	33
30	68	32
31	69	31

Chance of precipitation in May

Any precipitation

Dumas gets around 2.2 in of rain over 7 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 23% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	21	20	20	20	20	20	20	20	20	20	20	20	20	20	21	21	22	23	23	24	25	25	26	27	27	28	29	29	29	30	30

	Rain chance (%)
1	21
2	20
3	20
4	20
5	20
6	20
7	20
8	20
9	20
10	20
11	20
12	20
13	20
14	20
15	21
16	21
17	22
18	23
19	23
20	24
21	25
22	25
23	26
24	27
25	27
26	28
27	29
28	29
29	29
30	30
31	30

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	98	98	98	98	97	97	97	96	96	95	94	93	92	92	91	90	89	88	87	85	84	83	82	80	79	76	75	73	71	69	67
Comfortable (%)	2	2	2	2	3	3	3	4	4	5	5	6	7	7	8	9	10	11	12	13	14	15	16	18	19	21	22	24	25	27	28
Humid (%)	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	3	3	3	4	4	5

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	97	3	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	5	1
12	93	6	1
13	92	7	1
14	92	7	1
15	91	8	1
16	90	9	1
17	89	10	1
18	88	11	1
19	87	12	1
20	85	13	2
21	84	14	2
22	83	15	2
23	82	16	2
24	80	18	2
25	79	19	2
26	76	21	3
27	75	22	3
28	73	24	3
29	71	25	4
30	69	27	4
31	67	28	5

Wind in May

Winds average 11 mph in May.

Across May, daily wind ranges from about 11 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (mph)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (mph)	Feels
1	11	light breeze
2	11	light breeze
3	11	light breeze
4	11	light breeze
5	11	light breeze
6	11	light breeze
7	11	light breeze
8	11	light breeze
9	11	light breeze
10	11	light breeze
11	11	light breeze
12	11	light breeze
13	11	light breeze
14	11	light breeze
15	11	light breeze
16	11	light breeze
17	11	light breeze
18	11	light breeze
19	11	light breeze
20	11	light breeze
21	11	light breeze
22	11	light breeze
23	11	light breeze
24	11	light breeze
25	11	light breeze
26	11	light breeze
27	11	light breeze
28	11	light breeze
29	11	light breeze
30	11	light breeze
31	11	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 6:02 AM to 5:38 AM, and sunset from 7:28 PM to 7:52 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	13.4	13.5	13.5	13.5	13.6	13.6	13.6	13.7	13.7	13.7	13.8	13.8	13.8	13.8	13.9	13.9	13.9	13.9	14.0	14.0	14.0	14.0	14.1	14.1	14.1	14.1	14.2	14.2	14.2	14.2	14.2
Sunrise (AM)	6:02	6:01	6:00	5:59	5:58	5:57	5:56	5:55	5:54	5:53	5:52	5:51	5:50	5:49	5:48	5:47	5:47	5:46	5:45	5:44	5:44	5:43	5:42	5:42	5:41	5:41	5:40	5:40	5:39	5:39	5:38
Sunset (PM)	7:28	7:29	7:30	7:31	7:32	7:32	7:33	7:34	7:35	7:36	7:37	7:38	7:38	7:39	7:40	7:41	7:42	7:42	7:43	7:44	7:45	7:46	7:46	7:47	7:48	7:49	7:49	7:50	7:51	7:51	7:52

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.4	6:02	7:28
2	13.5	6:01	7:29
3	13.5	6:00	7:30
4	13.5	5:59	7:31
5	13.6	5:58	7:32
6	13.6	5:57	7:32
7	13.6	5:56	7:33
8	13.7	5:55	7:34
9	13.7	5:54	7:35
10	13.7	5:53	7:36
11	13.8	5:52	7:37
12	13.8	5:51	7:38
13	13.8	5:50	7:38
14	13.8	5:49	7:39
15	13.9	5:48	7:40
16	13.9	5:47	7:41
17	13.9	5:47	7:42
18	13.9	5:46	7:42
19	14.0	5:45	7:43
20	14.0	5:44	7:44
21	14.0	5:44	7:45
22	14.0	5:43	7:46
23	14.1	5:42	7:46
24	14.1	5:42	7:47
25	14.1	5:41	7:48
26	14.1	5:41	7:49
27	14.2	5:40	7:49
28	14.2	5:40	7:50
29	14.2	5:39	7:51
30	14.2	5:39	7:51
31	14.2	5:38	7:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.1 kWh/m².

For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 7.44 kWh/m² in June across the year — May's 7.1 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.9	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.0	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2	7.2
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.9	Intense
2	6.9	Intense
3	6.9	Intense
4	6.9	Intense
5	7.0	Intense
6	7.0	Intense
7	7.0	Intense
8	7.0	Intense
9	7.0	Intense
10	7.1	Intense
11	7.1	Intense
12	7.1	Intense
13	7.1	Intense
14	7.1	Intense
15	7.1	Intense
16	7.1	Intense
17	7.1	Intense
18	7.1	Intense
19	7.1	Intense
20	7.1	Intense
21	7.1	Intense
22	7.2	Intense
23	7.2	Intense
24	7.2	Intense
25	7.2	Intense
26	7.2	Intense
27	7.2	Intense
28	7.2	Intense
29	7.2	Intense
30	7.2	Intense
31	7.2	Intense

Planning a trip in May

Is May a good time to visit Dumas?

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

7.2

Sightseeing

3rd-best month of the year

7.1

Beach & pool

3rd-best month of the year

May is one of the better times to visit Dumas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Dumas in May

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

In May, Dumas sees daytime highs around 79°F and nights near 54°F. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

UV index in Dumas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dumas peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	4	5	9	9	11	11	10	8	5	4	3
Level	Moderate	Moderate	Moderate	Very high	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	4	Moderate
Mar	5	Moderate
Apr	9	Very high
May	9	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	5	High
Nov	4	Moderate
Dec	3	Moderate

Location & terrain

Where is Dumas?

Dumas sits at 35.9°N, 102.0°W, 3,661 ft above sea level, in United States. The nearest listed city is Amarillo, 45 mi away.

Topography around Dumas

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

Within 2 miles, the terrain around Dumas has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 3,658 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 623 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,713 ft.

The land around Dumas is covered by grassland (44%), artificial surfaces (28%) and cropland (24%) within 2 miles, grassland (55%) and cropland (43%) within 10 miles, and grassland (68%) and cropland (31%) within 50 miles.

2 miles

138 ft

grassland 44%

10 miles

623 ft

grassland 55%

50 miles

1,713 ft

grassland 68%

treesgrasslandcroplandartificial surfacesbare terrain

← April Dumas year-round climate June →Best places to visit in May

May weather nearby: Amarillo 45 mi · Pampa 62 mi · Hereford 76 mi · Liberal 100 mi · Plainview 117 mi · Clovis 122 mi · Garden City 158 mi · Lubbock 158 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

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 Dumas (35.8656°, -101.9732°, elevation 3,661 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).

	Avg high (°F)	Avg low (°F)
1	74	48
2	74	49
3	75	49
4	75	49
5	76	50
6	76	50
7	76	51
8	77	51
9	77	51
10	78	52
11	78	52
12	78	53
13	79	53
14	79	53
15	79	54
16	80	54
17	80	54
18	80	55
19	81	55
20	81	55
21	81	56
22	82	56
23	82	56
24	82	57
25	82	57
26	83	57
27	83	58
28	83	58
29	84	58
30	84	59
31	84	59

	Clearer (%)	Cloudier (%)
1	69	31
2	68	32
3	68	32
4	68	32
5	68	32
6	68	32
7	68	32
8	68	32
9	68	32
10	68	32
11	68	32
12	68	32
13	69	31
14	69	31
15	69	31
16	68	32
17	68	32
18	68	32
19	67	33
20	67	33
21	67	33
22	66	34
23	67	33
24	67	33
25	67	33
26	67	33
27	66	34
28	67	33
29	67	33
30	68	32
31	69	31

	Rain chance (%)
1	21
2	20
3	20
4	20
5	20
6	20
7	20
8	20
9	20
10	20
11	20
12	20
13	20
14	20
15	21
16	21
17	22
18	23
19	23
20	24
21	25
22	25
23	26
24	27
25	27
26	28
27	29
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	97	3	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	5	1
12	93	6	1
13	92	7	1
14	92	7	1
15	91	8	1
16	90	9	1
17	89	10	1
18	88	11	1
19	87	12	1
20	85	13	2
21	84	14	2
22	83	15	2
23	82	16	2
24	80	18	2
25	79	19	2
26	76	21	3
27	75	22	3
28	73	24	3
29	71	25	4
30	69	27	4
31	67	28	5

	Avg high (°F)	Avg low (°F)
1	74	48
2	74	49
3	75	49
4	75	49
5	76	50
6	76	50
7	76	51
8	77	51
9	77	51
10	78	52
11	78	52
12	78	53
13	79	53
14	79	53
15	79	54
16	80	54
17	80	54
18	80	55
19	81	55
20	81	55
21	81	56
22	82	56
23	82	56
24	82	57
25	82	57
26	83	57
27	83	58
28	83	58
29	84	58
30	84	59
31	84	59

	Clearer (%)	Cloudier (%)
1	69	31
2	68	32
3	68	32
4	68	32
5	68	32
6	68	32
7	68	32
8	68	32
9	68	32
10	68	32
11	68	32
12	68	32
13	69	31
14	69	31
15	69	31
16	68	32
17	68	32
18	68	32
19	67	33
20	67	33
21	67	33
22	66	34
23	67	33
24	67	33
25	67	33
26	67	33
27	66	34
28	67	33
29	67	33
30	68	32
31	69	31

	Rain chance (%)
1	21
2	20
3	20
4	20
5	20
6	20
7	20
8	20
9	20
10	20
11	20
12	20
13	20
14	20
15	21
16	21
17	22
18	23
19	23
20	24
21	25
22	25
23	26
24	27
25	27
26	28
27	29
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	97	3	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	5	1
12	93	6	1
13	92	7	1
14	92	7	1
15	91	8	1
16	90	9	1
17	89	10	1
18	88	11	1
19	87	12	1
20	85	13	2
21	84	14	2
22	83	15	2
23	82	16	2
24	80	18	2
25	79	19	2
26	76	21	3
27	75	22	3
28	73	24	3
29	71	25	4
30	69	27	4
31	67	28	5

	Avg high (°F)	Avg low (°F)
1	74	48
2	74	49
3	75	49
4	75	49
5	76	50
6	76	50
7	76	51
8	77	51
9	77	51
10	78	52
11	78	52
12	78	53
13	79	53
14	79	53
15	79	54
16	80	54
17	80	54
18	80	55
19	81	55
20	81	55
21	81	56
22	82	56
23	82	56
24	82	57
25	82	57
26	83	57
27	83	58
28	83	58
29	84	58
30	84	59
31	84	59

	Clearer (%)	Cloudier (%)
1	69	31
2	68	32
3	68	32
4	68	32
5	68	32
6	68	32
7	68	32
8	68	32
9	68	32
10	68	32
11	68	32
12	68	32
13	69	31
14	69	31
15	69	31
16	68	32
17	68	32
18	68	32
19	67	33
20	67	33
21	67	33
22	66	34
23	67	33
24	67	33
25	67	33
26	67	33
27	66	34
28	67	33
29	67	33
30	68	32
31	69	31

	Rain chance (%)
1	21
2	20
3	20
4	20
5	20
6	20
7	20
8	20
9	20
10	20
11	20
12	20
13	20
14	20
15	21
16	21
17	22
18	23
19	23
20	24
21	25
22	25
23	26
24	27
25	27
26	28
27	29
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	98	2	0
2	98	2	0
3	98	2	0
4	98	2	0
5	97	3	0
6	97	3	0
7	97	3	0
8	96	4	0
9	96	4	0
10	95	5	0
11	94	5	1
12	93	6	1
13	92	7	1
14	92	7	1
15	91	8	1
16	90	9	1
17	89	10	1
18	88	11	1
19	87	12	1
20	85	13	2
21	84	14	2
22	83	15	2
23	82	16	2
24	80	18	2
25	79	19	2
26	76	21	3
27	75	22	3
28	73	24	3
29	71	25	4
30	69	27	4
31	67	28	5