Hammond weather in July

In July, Hammond sees average daytime highs of 90°F and overnight lows near 74°F, with 5.9 in of rain across 18.6 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 90°F through the month. The sky is clear or mostly clear about 22% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of July to 13 h 30 min by month's end. Set against the rest of the year, July is Hammond's 12th-clearest and 12th-windiest month. For the whole year in context, see Hammond's year-round climate.

Daytime high
90°
2nd warmest
Overnight low
74°
12th coldest
Rainfall
5.9 in
18.6 wet days
Daylight
13 h 48 min
5:14 AM – 7:01 PM
Cloud cover
63%
12th clearest
Wind
4 mph
12th windiest
Solar energy
5.87 kWh/m²
Travel score
3.1
out of 10

Hammond is city in Tangipahoa Parish, Louisiana, United States.

Density
564/km²
people per km²
Founded
1818

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 90°F through the month.

A typical July day in Hammond reaches about 90°F in the afternoon and slips back to 74°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 95°F. Set against its neighbours, July runs about 1°F warmer than June and on par with August.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
19073
29073
39073
49074
59074
69074
79074
89074
99074
109074
119074
129074
139074
149074
159074
169074
179074
189074
199074
209074
219074
229074
239074
249074
259074
269074
279074
289074
299074
309074
319074

How July really feels in Hammond

Once humidity and wind are folded in, July averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
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.

Hammond 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 43°4.79.510.35.2
Feb65° / 46°4.69.410.95.9
Mar71° / 52°4.910.311.86.6
Apr77° / 58°4.69.712.76.9
May84° / 66°4.410.113.55.7
Jun89° / 72°5.31513.93.8
Jul90° / 74°5.918.613.83.1
Aug90° / 73°6.017.513.13.2
Sep87° / 69°4.411.512.24.6
Oct79° / 59°3.78.111.37.1
Nov70° / 49°3.67.810.57.0
Dec63° / 45°4.29.410.15.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54654
64654
74654
84555
94456
104357
114456
124456
134456
144357
154258
164258
174357
184258
194258
204258
214258
224258
234258
244258
254258
264258
274456
284456
294456
304456
314456

Chance of precipitation in July

Any precipitation

Hammond gets around 5.9 in of rain over 18.6 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 60% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
458
559
659
759
860
960
1060
1161
1261
1361
1461
1561
1661
1761
1861
1961
2061
2161
2261
2361
2460
2560
2660
2760
2859
2959
3059
3159

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11377415
21367416
31367416
40357616
50257617
60257617
70257518
80257419
90247420
100147421
110147322
120147124
130147025
140146827
150146728
160146530
170146431
180146332
190156034
200155935
210155836
220255736
230255637
240255637
250255637
260255637
270255637
280255736
290255736
300255736
310255835

Wind in July

Winds average 4 mph in July, the calmest month.

Across July, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 54 min at the start of July to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:07 AM to 5:23 AM, and sunset from 7:04 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:077:04
213.95:077:04
313.95:077:04
413.95:087:04
513.95:087:04
613.95:097:03
713.95:097:03
813.95:107:03
913.95:107:03
1013.95:117:03
1113.95:117:03
1213.85:127:02
1313.85:127:02
1413.85:137:02
1513.85:137:02
1613.85:147:01
1713.85:147:01
1813.85:157:01
1913.75:157:00
2013.75:167:00
2113.75:166:59
2213.75:176:59
2313.75:186:58
2413.75:186:58
2513.65:196:57
2613.65:196:57
2713.65:206:56
2813.65:216:55
2913.65:216:55
3013.55:226:54
3113.55:236:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.87 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 6.17 kWh/m² in May across the year — July's 5.87 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in July

Hazard calendar for Hammond

In seasonPeak

In July, Hammond sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Hammond sits in the Atlantic hurricane belt; the season peaks August–October.

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

Is July a good time to visit Hammond?

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

3.1
Sightseeing
12th-best month of the year
5.1
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Hammond.

What to pack for Hammond in July

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

In July, Hammond sees daytime highs around 90°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Hammond in July

The nearest coast averages about 86°F 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 22 mi away) is warmest in August at about 86°F and coldest in January near 58°F.

It's comfortable for a long swim from Apr 4 to Nov 14 — about 7.4 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar64Cool
Apr71Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov68Cool
Dec62Cool

UV index in Hammond in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hammond peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Hammond 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 Hammond is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Good
Apr12Good
May15Moderate
Jun19Moderate
Jul24Moderate
Aug19Moderate
Sep14Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Hammond?

Hammond sits at 30.5°N, 90.5°W, 43 ft above sea level, in United States. The nearest listed city is Laplace, 30 mi away.

Topography around Hammond

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Hammond.

Within 2 miles, the terrain around Hammond has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 49 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 197 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 525 ft.

The land around Hammond is covered by trees (61%) and artificial surfaces (20%) within 2 miles, trees (76%) within 10 miles, and trees (67%) within 50 miles.

2 miles
92 ft
10 miles
197 ft
50 miles
525 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Laplace 30 mi · Shenandoah 33 mi · Prairieville 34 mi · Central 34 mi · Kenner 38 mi · Metairie 40 mi · Metairie Terrace 40 mi · Zachary 42 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 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 Hammond (30.5046°, -90.4629°, elevation 43 ft), 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).