Costa Rica weather in July

In July, Costa Rica sees average daytime highs of 34°C and overnight lows near 26°C, with 108 mm of rain across 13.7 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 14% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 30 min at the start of July to 13 h 12 min by month's end. Set against the rest of the year, July is Costa Rica's 11th-clearest and 8th-windiest month. For the whole year in context, see Costa Rica's year-round climate.

Daytime high
34°
1st warmest
Overnight low
26°
12th coldest
Rainfall
108 mm
13.7 wet days
Daylight
13 h 24 min
5:34 AM – 6:57 PM
Cloud cover
68%
11th clearest
Wind
7 km/h
8th windiest
Solar energy
5.95 kWh/m²
Travel score
2.9
out of 10

Costa Rica is town in Culiacán Municipality, State of Sinaloa, Mexico.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical July day in Costa Rica reaches about 34°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, July runs on par with June and on par with August.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426
313426

How July really feels in Costa Rica

Once humidity and wind are folded in, July averages 31 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
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Costa Rica weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 14°131.710.68.4
Feb26° / 15°141.611.18.3
Mar27° / 16°30.511.88.2
Apr29° / 18°10.212.66.9
May31° / 21°10.213.25.7
Jun33° / 25°14213.54.5
Jul34° / 26°10813.713.42.9
Aug33° / 26°16819.112.92.6
Sep33° / 26°17518.412.22.9
Oct32° / 24°434.711.44.6
Nov30° / 19°382.210.86.6
Dec26° / 15°141.710.58.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25149
34951
44753
54654
64456
74258
84060
93961
103961
113763
123664
133664
143466
153466
163367
173268
183169
193169
203169
213169
223070
233070
243070
252971
262971
272971
282872
292872
302773
312674

Chance of precipitation in July

Any precipitation

Costa Rica gets around 108 mm of rain over 13.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
126
228
330
431
533
634
736
837
938
1039
1140
1241
1342
1442
1543
1644
1745
1845
1946
2047
2148
2249
2350
2451
2551
2652
2752
2853
2953
3054
3154

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13862
23664
33466
43268
53070
62872
72674
82476
92278
102080
111882
121684
131486
141288
151090
16991
17793
18694
19595
20595
21496
22397
23397
24298
25298
26298
27199
28199
29199
30199
310100

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 km/h on the calmest days to 8 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
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 30 min at the start of July to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:28 AM to 5:40 AM, and sunset from 6:58 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:286:58
213.55:286:58
313.55:286:58
413.55:296:58
513.55:296:58
613.55:296:58
713.55:306:58
813.55:306:58
913.55:316:58
1013.45:316:58
1113.45:316:58
1213.45:326:58
1313.45:326:57
1413.45:336:57
1513.45:336:57
1613.45:346:57
1713.45:346:57
1813.45:346:56
1913.45:356:56
2013.35:356:56
2113.35:366:55
2213.35:366:55
2313.35:376:55
2413.35:376:54
2513.35:386:54
2613.35:386:53
2713.25:396:53
2813.25:396:52
2913.25:406:52
3013.25:406:51
3113.25:406:51

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.95 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 7.81 kWh/m² in May across the year — July's 5.95 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.0Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
166.0Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in July

Hazard calendar for Costa Rica

In seasonPeak

In July, Costa Rica sits inside its pacific hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Costa Rica sits in the eastern Pacific hurricane zone; the season peaks August–September.

Costa Rica's rainy season runs July–September, when most of the year's rain falls.

Pacific hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Costa Rica?

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

2.9
Sightseeing
10th-best month of the year
5.6
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Costa Rica.

What to pack for Costa Rica in July

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

In July, Costa Rica sees daytime highs around 34°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Costa Rica in July

The nearest coast averages about 29°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 34 km away) is warmest in August at about 30°C and coldest in February near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr22Refreshing
May25Warm
Jun28Warm
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov26Warm
Dec23Refreshing

UV index in Costa Rica in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Costa Rica peaks around May 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighMay 11UV 12Dec 22UV 5
UV index (midday)Level
Jan5High
Feb8Very high
Mar10Very high
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec5High

Air quality in Costa Rica in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Costa Rica is worst in May — around 43 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (January, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMay 1740 µg/m³Jan 111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar13Moderate
Apr18Moderate
May43Poor
Jun23Moderate
Jul17Moderate
Aug12Good
Sep13Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Costa Rica?

Costa Rica sits at 24.6°N, 107.4°W, 30 m above sea level, in Mexico. The nearest listed city is Licenciado Benito Juárez, 17 km away.

Mazatlan

Topography around Costa Rica

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

Within 3 km, the terrain around Costa Rica has only modest variations in elevation — a maximum elevation change of 21 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 401 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,932 m.

The land around Costa Rica is covered by cropland (64%) within 3 km, cropland (62%) within 16 km, and trees (39%), water (27%) and cropland (20%) within 80 km.

3 km
21 m
16 km
401 m
80 km
1,932 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
July weather nearby: Licenciado Benito Juárez 17 km · Culiacán 24 km · Navolato 37 km · La Cruz 90 km · Guamúchil 119 km · Guasave 154 km · Gabriel Leyva Solano 173 km · Mazatlan 181 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Costa Rica (24.5907°, -107.3899°, elevation 30 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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).