Cổ Đô weather in July

In July, Cổ Đô sees average daytime highs of 33°C and overnight lows near 26°C, with 291 mm of rain across 20.9 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 7% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Cổ Đô's 11th-clearest and 6th-windiest month. For the whole year in context, see Cổ Đô's year-round climate.

Daytime high: 33°; 2nd warmest
Overnight low: 26°; 12th coldest
Rainfall: 291 mm; 20.9 wet days
Daylight: 13 h 12 min; 5:29 AM – 6:40 PM
Cloud cover: 87%; 11th clearest
Wind: 5 km/h; 6th windiest
Solar energy: 4.69 kWh/m²
Travel score: 2.6; out of 10

← June Cổ Đô year-round climate August →Best places to visit in July

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical July day in Cổ Đô reaches about 33°C in the afternoon and slips back to 26°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, July runs on par with June and on par with August.

	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)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	27	27	27	27	27	27	27	27	27	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	26
11	33	26
12	33	26
13	33	26
14	33	26
15	33	26
16	33	26
17	33	26
18	33	26
19	33	26
20	33	26
21	33	26
22	32	26
23	32	26
24	32	26
25	32	26
26	32	26
27	32	26
28	32	26
29	32	26
30	32	26
31	32	26

How July really feels in Cổ Đô

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 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

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

Cổ Đô weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 14°	45	9.1	10.8	6.0
Feb	21° / 15°	34	8.5	11.3	6.3
Mar	24° / 18°	61	11.6	11.8	6.3
Apr	29° / 22°	103	12.2	12.5	5.2
May	31° / 25°	230	17.9	13	3.4
Jun	33° / 26°	238	19.1	13.3	2.6
Jul	33° / 26°	291	20.9	13.2	2.6
Aug	32° / 26°	354	22.5	12.7	2.7
Sep	31° / 25°	230	18.8	12.1	3.5
Oct	29° / 22°	119	11.6	11.5	5.6
Nov	25° / 19°	58	7.5	11	7.1
Dec	21° / 15°	38	7.6	10.7	6.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 89%.

	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 (%)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	12	12	12	12	12	12	12	12	14	14	14	14
Cloudier (%)	90	90	90	90	90	90	90	90	90	90	90	90	90	90	90	90	90	90	89	88	88	88	88	88	88	88	88	86	86	86	86

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	11	89
20	12	88
21	12	88
22	12	88
23	12	88
24	12	88
25	12	88
26	12	88
27	12	88
28	14	86
29	14	86
30	14	86
31	14	86

Chance of precipitation in July

Any precipitation

Cổ Đô gets around 291 mm of rain over 20.9 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 68% and peaks near 71% 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 (%)	65	65	66	66	66	66	66	66	66	66	67	67	67	67	67	67	67	67	68	68	68	68	69	69	70	70	70	71	71	71	71

	Rain chance (%)
1	65
2	65
3	66
4	66
5	66
6	66
7	66
8	66
9	66
10	66
11	67
12	67
13	67
14	67
15	67
16	67
17	67
18	67
19	68
20	68
21	68
22	68
23	69
24	69
25	70
26	70
27	70
28	71
29	71
30	71
31	71

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	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
Oppressive (%)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	3	3	3	3	3	2	2	2	2	2	2	1
Miserable (%)	97	97	97	97	97	97	97	97	97	97	97	97	97	97	98	98	98	98	98	97	97	97	97	97	98	98	98	98	98	98	99

	Oppressive (%)	Miserable (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	1	99

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 5 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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
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	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm
31	5	calm

Sunrise & sunset in July

DaylightNight

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

Days shrink by about 18 minutes over July. Sunrise moves from 5:23 AM to 5:35 AM, and sunset from 6:40 PM to 6:35 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)	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.1	13.1	13.1	13.1	13.1	13.1	13.1	13.1	13.1	13.0	13.0	13.0	13.0
Sunrise (AM)	5:23	5:24	5:24	5:24	5:25	5:25	5:25	5:26	5:26	5:26	5:27	5:27	5:28	5:28	5:28	5:29	5:29	5:30	5:30	5:30	5:31	5:31	5:32	5:32	5:32	5:33	5:33	5:34	5:34	5:34	5:35
Sunset (PM)	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:39	6:39	6:39	6:39	6:38	6:38	6:38	6:37	6:37	6:37	6:36	6:36	6:35	6:35	6:35

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.3	5:23	6:40
2	13.3	5:24	6:40
3	13.3	5:24	6:40
4	13.3	5:24	6:40
5	13.3	5:25	6:40
6	13.3	5:25	6:40
7	13.3	5:25	6:40
8	13.2	5:26	6:40
9	13.2	5:26	6:40
10	13.2	5:26	6:40
11	13.2	5:27	6:40
12	13.2	5:27	6:40
13	13.2	5:28	6:40
14	13.2	5:28	6:40
15	13.2	5:28	6:40
16	13.2	5:29	6:40
17	13.2	5:29	6:39
18	13.2	5:30	6:39
19	13.1	5:30	6:39
20	13.1	5:30	6:39
21	13.1	5:31	6:38
22	13.1	5:31	6:38
23	13.1	5:32	6:38
24	13.1	5:32	6:37
25	13.1	5:32	6:37
26	13.1	5:33	6:37
27	13.1	5:33	6:36
28	13.0	5:34	6:36
29	13.0	5:34	6:35
30	13.0	5:34	6:35
31	13.0	5:35	6:35

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.69 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 4.77 kWh/m² in June across the year — July's 4.69 kWh/m² sits near the top of that range.

	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)	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.8	Bright
2	4.8	Bright
3	4.8	Bright
4	4.8	Bright
5	4.8	Bright
6	4.8	Bright
7	4.8	Bright
8	4.8	Bright
9	4.8	Bright
10	4.8	Bright
11	4.8	Bright
12	4.7	Bright
13	4.7	Bright
14	4.7	Bright
15	4.7	Bright
16	4.7	Bright
17	4.7	Bright
18	4.7	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.6	Bright
23	4.6	Bright
24	4.6	Bright
25	4.6	Bright
26	4.6	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright
31	4.5	Bright

Planning a trip in July

Hazard calendar for Cổ Đô

In seasonPeak

In July, Cổ Đô sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Cổ Đô sits in the Pacific typhoon belt; the season peaks July–October.

Cổ Đô's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is July a good time to visit Cổ Đô?

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

2.6

Sightseeing

11th-best month of the year

4.5

Beach & pool

8th-best month of the year

July is a weaker month for outdoor sightseeing in Cổ Đô.

What to pack for Cổ Đô in July

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

In July, Cổ Đô sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Cổ Đô in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cổ Đô peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 5 (high).

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)	6	7	8	6	8	12	11	11	6	7	5	6
Level	High	High	Very high	High	Very high	Extreme	Extreme	Extreme	High	Very high	High	High

	UV index (midday)	Level
Jan	6	High
Feb	7	High
Mar	8	Very high
Apr	6	High
May	8	Very high
Jun	12	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	6	High
Oct	7	Very high
Nov	5	High
Dec	6	High

Air quality in Cổ Đô 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 Cổ Đô is worst in April — around 98 µg/m³ PM2.5 (unhealthy), about 3.8× the cleanest month (July, 26 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	76	71	76	98	57	32	26	28	39	53	66	77
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Moderate	Moderate	Moderate	Poor	Poor	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	76	Unhealthy
Feb	71	Unhealthy
Mar	76	Unhealthy
Apr	98	Unhealthy
May	57	Unhealthy
Jun	32	Moderate
Jul	26	Moderate
Aug	28	Moderate
Sep	39	Poor
Oct	53	Poor
Nov	66	Unhealthy
Dec	77	Unhealthy

Location & terrain

Where is Cổ Đô?

Cổ Đô sits at 21.3°N, 105.4°E, 17 m above sea level, in Vietnam. The nearest listed city is Việt Trì, 6.0 km away.

Topography around Cổ Đô

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

Within 3 km, the terrain around Cổ Đô has only modest variations in elevation — a maximum elevation change of 22 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,211 m.

The land around Cổ Đô is covered by cropland (39%) within 3 km, trees (42%) and cropland (33%) within 16 km, and trees (72%) within 80 km.

3 km

22 m

cropland 39%

16 km

333 m

trees 42%

80 km

2,211 m

trees 72%

treesgrasslandcroplandartificial surfacesbare terrainwater

← June Cổ Đô year-round climate August →Best places to visit in July

July weather nearby: Việt Trì 6.0 km · Phú Thọ 20 km · Sơn Tây 21 km · Ba Vì 22 km · Vĩnh Yên 25 km · Phúc Yên 36 km · Đan Phượng 37 km · Thượng Cát 43 km

Vietnam travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type A / B / C / F; 220 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $5,066; 2025
Happiness: 6.4 / 10; World Happiness, 2025
Safe drinking water: 59%; of population, 2024
Homicide rate: 1.5; per 100k, 2011
Road deaths: 30.6; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 500
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 Cổ Đô (21.2796°, 105.364°, elevation 17 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). 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).

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	26
11	33	26
12	33	26
13	33	26
14	33	26
15	33	26
16	33	26
17	33	26
18	33	26
19	33	26
20	33	26
21	33	26
22	32	26
23	32	26
24	32	26
25	32	26
26	32	26
27	32	26
28	32	26
29	32	26
30	32	26
31	32	26

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	11	89
20	12	88
21	12	88
22	12	88
23	12	88
24	12	88
25	12	88
26	12	88
27	12	88
28	14	86
29	14	86
30	14	86
31	14	86

	Rain chance (%)
1	65
2	65
3	66
4	66
5	66
6	66
7	66
8	66
9	66
10	66
11	67
12	67
13	67
14	67
15	67
16	67
17	67
18	67
19	68
20	68
21	68
22	68
23	69
24	69
25	70
26	70
27	70
28	71
29	71
30	71
31	71

	Oppressive (%)	Miserable (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	1	99

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	26
11	33	26
12	33	26
13	33	26
14	33	26
15	33	26
16	33	26
17	33	26
18	33	26
19	33	26
20	33	26
21	33	26
22	32	26
23	32	26
24	32	26
25	32	26
26	32	26
27	32	26
28	32	26
29	32	26
30	32	26
31	32	26

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	11	89
20	12	88
21	12	88
22	12	88
23	12	88
24	12	88
25	12	88
26	12	88
27	12	88
28	14	86
29	14	86
30	14	86
31	14	86

	Rain chance (%)
1	65
2	65
3	66
4	66
5	66
6	66
7	66
8	66
9	66
10	66
11	67
12	67
13	67
14	67
15	67
16	67
17	67
18	67
19	68
20	68
21	68
22	68
23	69
24	69
25	70
26	70
27	70
28	71
29	71
30	71
31	71

	Oppressive (%)	Miserable (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	1	99

	Avg high (°C)	Avg low (°C)
1	33	27
2	33	27
3	33	27
4	33	27
5	33	27
6	33	27
7	33	27
8	33	27
9	33	27
10	33	26
11	33	26
12	33	26
13	33	26
14	33	26
15	33	26
16	33	26
17	33	26
18	33	26
19	33	26
20	33	26
21	33	26
22	32	26
23	32	26
24	32	26
25	32	26
26	32	26
27	32	26
28	32	26
29	32	26
30	32	26
31	32	26

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	10	90
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	11	89
20	12	88
21	12	88
22	12	88
23	12	88
24	12	88
25	12	88
26	12	88
27	12	88
28	14	86
29	14	86
30	14	86
31	14	86

	Rain chance (%)
1	65
2	65
3	66
4	66
5	66
6	66
7	66
8	66
9	66
10	66
11	67
12	67
13	67
14	67
15	67
16	67
17	67
18	67
19	68
20	68
21	68
22	68
23	69
24	69
25	70
26	70
27	70
28	71
29	71
30	71
31	71

	Oppressive (%)	Miserable (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	1	99