Graaff Reinet weather in May

In May, Graaff Reinet sees average daytime highs of 21°C and overnight lows near 8°C, with 18 mm of rain across 3.7 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 59% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Graaff Reinet's 4th-clearest and 9th-windiest month. For the whole year in context, see Graaff Reinet's year-round climate.

Daytime high: 21°; 9th warmest
Overnight low: 8°; 4th coldest
Rainfall: 18 mm; 3.7 wet days
Daylight: 10 h 24 min; 7:08 AM – 5:29 PM
Cloud cover: 36%; 4th clearest
Wind: 9 km/h; 9th windiest
Solar energy: 3.58 kWh/m²
Travel score: 7.9; out of 10

Graaff Reinet is town in the Eastern Cape, South Africa.

Density: 309/km²; people per km²
Founded: 1786

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

← April Graaff Reinet 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 ease over the month, from about 22°C in the first days to 20°C by the end.

A typical May day in Graaff Reinet reaches about 21°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer 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 (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	20	20	20	20	20	20	19
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	6	6	6

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

Graaff Reinet weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 16°	71	9.7	13.9	5.7
Feb	29° / 16°	63	10.1	13.2	5.6
Mar	27° / 14°	64	9.2	12.2	6.8
Apr	24° / 11°	35	6.7	11.2	7.7
May	21° / 8°	18	3.7	10.4	7.9
Jun	18° / 5°	16	3.3	9.9	7.5
Jul	18° / 4°	17	3.3	10.1	7.5
Aug	20° / 6°	22	4.3	10.8	7.6
Sep	23° / 8°	27	4.3	11.8	8.0
Oct	25° / 10°	41	7.2	12.8	7.7
Nov	26° / 12°	53	7.5	13.7	7.3
Dec	29° / 14°	57	8.2	14.1	6.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 26%.

	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 (%)	74	75	75	74	74	74	74	75	75	74	74	74	73	73	72	72	72	71	71	72	72	72	73	73	74	74	75	75	76	77	78
Cloudier (%)	26	25	25	26	26	26	26	25	25	26	26	26	27	27	28	28	28	29	29	28	28	28	27	27	26	26	25	25	24	23	22

	Clearer (%)	Cloudier (%)
1	74	26
2	75	25
3	75	25
4	74	26
5	74	26
6	74	26
7	74	26
8	75	25
9	75	25
10	74	26
11	74	26
12	74	26
13	73	27
14	73	27
15	72	28
16	72	28
17	72	28
18	71	29
19	71	29
20	72	28
21	72	28
22	72	28
23	73	27
24	73	27
25	74	26
26	74	26
27	75	25
28	75	25
29	76	24
30	77	23
31	78	22

Chance of precipitation in May

Any precipitation

Graaff Reinet gets around 18 mm of rain over 3.7 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 12% and peaks near 16% on the wettest days.

	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 (%)	16	16	15	15	15	14	14	14	13	13	12	12	11	11	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	11	11

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

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.

	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 (%)	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h 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 (km/h)	8	8	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 42 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 6:57 AM to 7:17 AM, and sunset from 5:42 PM to 5:21 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)	10.7	10.7	10.7	10.7	10.6	10.6	10.6	10.6	10.5	10.5	10.5	10.5	10.4	10.4	10.4	10.4	10.3	10.3	10.3	10.3	10.2	10.2	10.2	10.2	10.2	10.1	10.1	10.1	10.1	10.1	10.1
Sunrise (AM)	6:57	6:57	6:58	6:59	7:00	7:00	7:01	7:02	7:02	7:03	7:04	7:05	7:05	7:06	7:07	7:08	7:08	7:09	7:10	7:10	7:11	7:12	7:12	7:13	7:14	7:14	7:15	7:16	7:16	7:17	7:17
Sunset (PM)	5:42	5:41	5:40	5:39	5:38	5:37	5:36	5:35	5:34	5:33	5:32	5:32	5:31	5:30	5:29	5:29	5:28	5:27	5:27	5:26	5:26	5:25	5:24	5:24	5:23	5:23	5:23	5:22	5:22	5:21	5:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.7	6:57	5:42
2	10.7	6:57	5:41
3	10.7	6:58	5:40
4	10.7	6:59	5:39
5	10.6	7:00	5:38
6	10.6	7:00	5:37
7	10.6	7:01	5:36
8	10.6	7:02	5:35
9	10.5	7:02	5:34
10	10.5	7:03	5:33
11	10.5	7:04	5:32
12	10.5	7:05	5:32
13	10.4	7:05	5:31
14	10.4	7:06	5:30
15	10.4	7:07	5:29
16	10.4	7:08	5:29
17	10.3	7:08	5:28
18	10.3	7:09	5:27
19	10.3	7:10	5:27
20	10.3	7:10	5:26
21	10.2	7:11	5:26
22	10.2	7:12	5:25
23	10.2	7:12	5:24
24	10.2	7:13	5:24
25	10.2	7:14	5:23
26	10.1	7:14	5:23
27	10.1	7:15	5:23
28	10.1	7:16	5:22
29	10.1	7:16	5:22
30	10.1	7:17	5:21
31	10.1	7:17	5:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.58 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 7.97 kWh/m² in December across the year — May's 3.58 kWh/m² sits near the bottom.

	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)	4.0	4.0	3.9	3.9	3.9	3.8	3.8	3.8	3.8	3.7	3.7	3.7	3.7	3.6	3.6	3.6	3.5	3.5	3.5	3.5	3.5	3.4	3.4	3.4	3.4	3.3	3.3	3.3	3.3	3.3	3.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.0	Moderate
2	4.0	Moderate
3	3.9	Moderate
4	3.9	Moderate
5	3.9	Moderate
6	3.8	Moderate
7	3.8	Moderate
8	3.8	Moderate
9	3.8	Moderate
10	3.7	Moderate
11	3.7	Moderate
12	3.7	Moderate
13	3.7	Moderate
14	3.6	Moderate
15	3.6	Moderate
16	3.6	Moderate
17	3.5	Moderate
18	3.5	Moderate
19	3.5	Moderate
20	3.5	Moderate
21	3.5	Moderate
22	3.4	Moderate
23	3.4	Moderate
24	3.4	Moderate
25	3.4	Moderate
26	3.3	Moderate
27	3.3	Moderate
28	3.3	Moderate
29	3.3	Moderate
30	3.3	Moderate
31	3.2	Moderate

Planning a trip in May

Is May a good time to visit Graaff Reinet?

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

7.9

Sightseeing

2nd-best month of the year

5.0

Beach & pool

9th-best month of the year

May is one of the better times to visit Graaff Reinet for general sightseeing.

What to pack for Graaff Reinet in May

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

In May, Graaff Reinet sees daytime highs around 21°C and nights near 8°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Graaff Reinet in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Graaff Reinet peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 3 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	12	10	6	5	3	4	5	7	11	12	13
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	High	High	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	12	Extreme
Mar	10	Very high
Apr	6	High
May	5	Moderate
Jun	3	Moderate
Jul	4	Moderate
Aug	5	High
Sep	7	High
Oct	11	Extreme
Nov	12	Extreme
Dec	13	Extreme

Location & terrain

Where is Graaff Reinet?

Graaff Reinet sits at 32.3°S, 24.5°E, 756 m above sea level, in South Africa. The nearest listed city is Middelburg, 96 km away.

Topography around Graaff Reinet

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Graaff Reinet.

Within 3 km, the terrain around Graaff Reinet has large variations in elevation — a maximum elevation change of 631 m around an average of 857 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 969 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,048 m.

The land around Graaff Reinet is covered by shrubs (49%) within 3 km, grassland (56%) and shrubs (36%) within 16 km, and grassland (79%) within 80 km.

3 km

631 m

shrubs 49%

16 km

969 m

grassland 56%

80 km

2,048 m

grassland 79%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

May weather nearby: Middelburg 96 km · Cradock 103 km · Somerset East 112 km · Beaufort West 183 km · De Aar 185 km · Kariega 186 km · Kruisfontein 196 km · Humansdorp 199 km

South Africa travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / M / N; 230 V · 50 Hz
Prices: ≈ 41% of US; price level, 2025
GDP per capita: $6,598; 2025
Happiness: 5.0 / 10; World Happiness, 2025
Safe drinking water: 68%; of population, 2024
Homicide rate: 43.7; per 100k, 2022
Road deaths: 22.2; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Very high; EF EPI 602
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 Graaff Reinet (-32.2522°, 24.5308°, elevation 756 m), 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 (°C)	Avg low (°C)
1	22	9
2	22	9
3	22	9
4	22	9
5	22	9
6	22	9
7	22	9
8	22	9
9	22	9
10	22	9
11	22	9
12	22	9
13	22	8
14	22	8
15	22	8
16	22	8
17	22	8
18	22	8
19	21	8
20	21	8
21	21	8
22	21	8
23	21	7
24	21	7
25	20	7
26	20	7
27	20	7
28	20	7
29	20	6
30	20	6
31	19	6

	Clearer (%)	Cloudier (%)
1	74	26
2	75	25
3	75	25
4	74	26
5	74	26
6	74	26
7	74	26
8	75	25
9	75	25
10	74	26
11	74	26
12	74	26
13	73	27
14	73	27
15	72	28
16	72	28
17	72	28
18	71	29
19	71	29
20	72	28
21	72	28
22	72	28
23	73	27
24	73	27
25	74	26
26	74	26
27	75	25
28	75	25
29	76	24
30	77	23
31	78	22

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

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	74	26
2	75	25
3	75	25
4	74	26
5	74	26
6	74	26
7	74	26
8	75	25
9	75	25
10	74	26
11	74	26
12	74	26
13	73	27
14	73	27
15	72	28
16	72	28
17	72	28
18	71	29
19	71	29
20	72	28
21	72	28
22	72	28
23	73	27
24	73	27
25	74	26
26	74	26
27	75	25
28	75	25
29	76	24
30	77	23
31	78	22

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

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	74	26
2	75	25
3	75	25
4	74	26
5	74	26
6	74	26
7	74	26
8	75	25
9	75	25
10	74	26
11	74	26
12	74	26
13	73	27
14	73	27
15	72	28
16	72	28
17	72	28
18	71	29
19	71	29
20	72	28
21	72	28
22	72	28
23	73	27
24	73	27
25	74	26
26	74	26
27	75	25
28	75	25
29	76	24
30	77	23
31	78	22

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

	Dry (%)	Comfortable (%)
1	99	1
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0