Olivais weather in July

In July, Olivais sees average daytime highs of 28°C and overnight lows near 17°C, with 2 mm of rain across 0.7 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 28°C by the end. The sky is clear or mostly clear about 82% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Olivais's 1st-clearest and 1st-windiest month. For the whole year in context, see Olivais's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
2 mm
0.7 wet days
Daylight
14 h 30 min
5:28 AM – 7:56 PM
Cloud cover
18%
1st clearest
Wind
16 km/h
1st windiest
Solar energy
7.63 kWh/m²
Travel score
8.2
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 28°C by the end.

A typical July day in Olivais reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52717
62717
72717
82717
92717
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302917
312917

Olivais weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 618.49.64.4
Feb15° / 47710.55.0
Mar18° / 10°517.611.76.2
Apr19° / 11°518.6136.5
May22° / 13°426.314.17.5
Jun25° / 16°102.414.78.5
Jul28° / 17°20.714.48.2
Aug28° / 17°5113.57.9
Sep26° / 16°284.412.38.0
Oct22° / 14°758.8117.0
Nov17° / 11°759.29.95.8
Dec15° / 738.99.34.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
39010
49010
59010
69010
79010
89010
99010
10919
11919
12919
13919
14919
15928
16928
17928
18928
19928
20937
21946
22946
23946
24955
25946
26946
27946
28946
29946
30946
31946

Chance of precipitation in July

Any precipitation

Olivais gets around 2 mm of rain over 0.7 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
43
53
63
73
83
93
103
113
123
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12360161
22260171
32259181
42160181
52160190
62059210
72058220
81958230
91957240
101956250
111855270
121854280
131853290
141753300
151752310
161652311
171651321
181551331
191452331
201452331
211352341
221253341
231253341
241153342
251153342
261054342
271054342
281054342
291054342
301054342
311053343

Wind in July

Winds average 16 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 5:19 AM to 5:40 AM, and sunset from 8:00 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:198:00
214.75:208:00
314.75:208:00
414.75:218:00
514.65:218:00
614.65:228:00
714.65:227:59
814.65:237:59
914.65:237:59
1014.65:247:59
1114.65:257:58
1214.55:257:58
1314.55:267:57
1414.55:277:57
1514.55:277:57
1614.55:287:56
1714.45:297:55
1814.45:307:55
1914.45:307:54
2014.45:317:54
2114.45:327:53
2214.35:337:52
2314.35:337:52
2414.35:347:51
2514.25:357:50
2614.25:367:49
2714.25:377:48
2814.25:387:48
2914.15:397:47
3014.15:397:46
3114.15:407:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.63 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.63 kWh/m² in July across the year — July's 7.63 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.7Intense
127.7Intense
137.7Intense
147.7Intense
157.7Intense
167.7Intense
177.7Intense
187.7Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.6Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in July

Is July a good time to visit Olivais?

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

8.2
Sightseeing
2nd-best month of the year
9.0
Beach & pool
2nd-best month of the year

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

What to pack for Olivais in July

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

In July, Olivais sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Olivais in July

The nearest coast averages about 18°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 28 km away) is warmest in September at about 19°C and coldest in February near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr15Cool
May16Cool
Jun18Cool
Jul18Cool
Aug19Cool
Sep19Cool
Oct18Cool
Nov17Cool
Dec16Cool

UV index in Olivais in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Olivais peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Olivais?

Olivais sits at 38.8°N, 9.1°W, 33 m above sea level, in Portugal. The nearest listed city is Parque das Nações, 1.0 km away.

Topography around Olivais

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

Within 3 km, the terrain around Olivais has only modest variations in elevation — a maximum elevation change of 128 m around an average of 43 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 388 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Olivais is covered by artificial surfaces (51%) and water (27%) within 3 km, water (34%), artificial surfaces (24%) and grassland (22%) within 16 km, and water (38%), grassland (31%) and trees (20%) within 80 km.

3 km
128 m
16 km
388 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Parque das Nações 1.0 km · Moscavide e Portela 1.0 km · Sacavém 2.0 km · Marvila 3.0 km · Alvalade 4.0 km · Camarate 4.0 km · Areeiro 4.0 km · Lumiar 4.0 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 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 Olivais (38.7699°, -9.1067°, elevation 33 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).