Riesa weather in May

In May, Riesa sees average daytime highs of 19°C and overnight lows near 9°C, with 59 mm of rain across 10.9 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 16 hours by month's end. Set against the rest of the year, May is Riesa's 6th-clearest and 9th-windiest month. For the whole year in context, see Riesa's year-round climate.

Daytime high
19°
5th warmest
Overnight low
8th coldest
Rainfall
59 mm
10.9 wet days
Daylight
15 h 18 min
4:23 AM – 7:43 PM
Cloud cover
65%
6th clearest
Wind
11 km/h
9th windiest
Solar energy
5.15 kWh/m²
Travel score
5.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical May day in Riesa reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1177
2178
3178
4178
5188
6188
7188
8188
9188
10188
11189
12189
13189
14189
15199
16199
17199
18199
19199
201910
211910
221910
232010
242010
252010
262010
272010
282011
292011
302111
312111

How May really feels in Riesa

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Riesa weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5512.24.98.20.0
Feb / -1°4210.14.39.60.1
Mar / 5311.82.811.51.6
Apr14° / 389.10.413.54.2
May19° / 5910.9015.35.8
Jun22° / 12°6311.1016.36.3
Jul24° / 14°7712.1015.96.6
Aug24° / 14°6510.8014.46.7
Sep19° / 11°559.9012.46.0
Oct14° / 499.90.110.43.9
Nov / 5310.51.68.61.2
Dec / 5512.53.87.70.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33862
43862
53862
63763
73763
83763
93763
103763
113763
123664
133763
143763
153664
163664
173763
183763
193664
203664
213763
223763
233763
243763
253961
263961
273961
283862
294060
304060
313961

Chance of precipitation in May

Any precipitation

Riesa gets around 59 mm of rain over 10.9 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 (%)
132
233
334
435
535
636
736
836
936
1036
1136
1236
1336
1435
1535
1635
1734
1834
1934
2033
2133
2233
2333
2434
2534
2634
2735
2835
2936
3036
3136

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59730
69730
79730
89730
99640
109640
119640
129640
139550
149550
159460
169460
179460
189370
199280
209280
219091
2289101
2388111
2487121
2586131
2685141
2783152
2882162
2981172
3080182
3178193

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 4:49 AM to 4:05 AM, and sunset from 7:19 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:497:19
214.64:477:21
314.64:457:23
414.74:437:24
514.74:417:26
614.84:397:28
714.94:387:29
814.94:367:31
915.04:347:32
1015.04:327:34
1115.14:317:36
1215.14:297:37
1315.24:287:39
1415.24:267:40
1515.34:247:42
1615.34:237:43
1715.44:217:45
1815.44:207:46
1915.54:197:48
2015.54:177:49
2115.64:167:51
2215.64:157:52
2315.74:137:53
2415.74:127:55
2515.74:117:56
2615.84:107:57
2715.84:097:59
2815.94:088:00
2915.94:078:01
3015.94:068:02
3116.04:058:03

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.15 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.38 kWh/m² in June across the year — May's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Riesa?

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

5.8
Sightseeing
5th-best month of the year
2.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Riesa for sightseeing.

What to pack for Riesa in May

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

In May, Riesa sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Riesa in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riesa peaks around June 20 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Riesa 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 Riesa is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1316 µg/m³Dec 1210 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar15Moderate
Apr16Moderate
May14Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Riesa?

Riesa sits at 51.3°N, 13.3°E, 111 m above sea level, in Germany. The nearest listed city is Oschatz, 13 km away.

Topography around Riesa

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

Within 3 km, the terrain around Riesa has only modest variations in elevation — a maximum elevation change of 75 m around an average of 107 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 180 m; within 80 km, large variations in elevation — a maximum elevation change of 924 m.

The land around Riesa is covered by cropland (36%) and artificial surfaces (25%) within 3 km, cropland (61%) within 16 km, and cropland (39%) and trees (38%) within 80 km.

3 km
75 m
16 km
180 m
80 km
924 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Oschatz 13 km · Großenhain 17 km · Meissen 21 km · Döbeln 24 km · Coswig 28 km · Radebeul 34 km · Torgau 35 km · Lauchhammer 39 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Riesa (51.3078°, 13.2917°, elevation 111 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. 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).