Speyer weather in August

In August, Speyer sees average daytime highs of 25°C and overnight lows near 15°C, with 49 mm of rain across 9.3 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Speyer's 1st-clearest and 12th-windiest month. For the whole year in context, see Speyer's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
49 mm
9.3 wet days
Daylight
14 h 12 min
5:24 AM – 7:37 PM
Cloud cover
57%
1st clearest
Wind
8 km/h
12th windiest
Solar energy
4.77 kWh/m²
Travel score
6.9
out of 10
Air quality
Moderate
PM2.5 11.6 µg/m³ · 2019

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 23°C by the end.

A typical August day in Speyer reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 31°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152615
162515
172515
182515
192515
202515
212515
222515
232515
242415
252415
262414
272414
282414
292314
302314
312314

How August really feels in Speyer

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Speyer weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 62122.98.40.0
Feb / 5310.52.89.80.5
Mar11° / 6011.20.911.52.6
Apr15° / 449.6013.44.8
May20° / 10°6411015.16.0
Jun23° / 14°5110.7015.96.6
Jul25° / 16°5910.6015.66.7
Aug25° / 15°499.3014.26.9
Sep20° / 12°559012.46.4
Oct15° / 60110.110.54.2
Nov / 6311.20.78.91.5
Dec / 7514.12.880.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55149
65149
75050
85050
95050
105050
115050
125050
135050
145050
155050
165050
175050
185050
195050
205050
215050
225050
234951
244852
254753
264753
274555
284654
294555
304555
314357

Chance of precipitation in August

Any precipitation

Speyer gets around 49 mm of rain over 9.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
529
629
729
830
930
1030
1131
1231
1331
1431
1531
1631
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13841211
23841210
33841200
43942200
53942190
63942180
74042180
84042170
94043170
104143160
114142160
124242160
134242160
144342160
154341150
164441150
174441150
184540150
194540150
204639150
214739140
224838140
234937140
245135140
255334130
265433130
275632120
285831110
295930110
306129100
31632890

Wind in August

Winds average 8 km/h in August, the calmest month.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 hours at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over August. Sunrise moves from 5:02 AM to 5:46 AM, and sunset from 8:02 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.05:028:02
215.05:048:01
314.95:057:59
414.95:067:58
514.85:087:56
614.85:097:55
714.75:117:53
814.75:127:51
914.65:137:50
1014.65:157:48
1114.55:167:46
1214.45:187:44
1314.45:197:43
1414.35:217:41
1514.35:227:39
1614.25:247:37
1714.25:257:35
1814.15:277:33
1914.15:287:31
2014.05:307:29
2113.95:317:27
2213.95:337:25
2313.85:347:23
2413.85:357:21
2513.75:377:19
2613.65:387:17
2713.65:407:15
2813.55:417:13
2913.55:437:11
3013.45:447:09
3113.35:467:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.77 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.61 kWh/m² in June across the year — August's 4.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
314.0Bright
Planning a trip in August

Is August a good time to visit Speyer?

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

6.9
Sightseeing
1st-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Speyer in August

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

In August, Speyer sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Speyer in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Speyer peaks around July 15 at about 7 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Speyer in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Speyer is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Speyer's WHO annual average of 11.6 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1615 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar13Moderate
Apr15Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep11Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Speyer?

Speyer sits at 49.3°N, 8.4°E, 111 m above sea level, in Germany. The nearest listed city is Schifferstadt, 8.0 km away.

Topography around Speyer

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

Within 3 km, the terrain around Speyer has only modest variations in elevation — a maximum elevation change of 42 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, large variations in elevation — a maximum elevation change of 1,064 m.

The land around Speyer is covered by artificial surfaces (33%), trees (30%) and cropland (21%) within 3 km, trees (36%) and cropland (31%) within 16 km, and trees (49%) and cropland (26%) within 80 km.

3 km
42 m
16 km
58 m
80 km
1,064 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Schifferstadt 8.0 km · Hockenheim 9.0 km · Waghäusel 10 km · Germersheim 13 km · Schwetzingen 13 km · Haßloch 13 km · Gartenstadt 16 km · Ludwigshafen am Rhein 18 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 Speyer (49.3208°, 8.4311°, 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).