Hammond weather in August

In August, Hammond sees average daytime highs of 90°F and overnight lows near 73°F, with 6.0 in of rain across 17.5 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 1st-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 26% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Hammond's 11th-clearest and 11th-windiest month. For the whole year in context, see Hammond's year-round climate.

Daytime high
90°
1st warmest
Overnight low
73°
11th coldest
Rainfall
6.0 in
17.5 wet days
Daylight
13 h 06 min
5:33 AM – 6:39 PM
Cloud cover
62%
11th clearest
Wind
4 mph
11th windiest
Solar energy
5.5 kWh/m²
Travel score
3.2
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 90°F through the month.

A typical August day in Hammond reaches about 90°F in the afternoon and slips back to 73°F overnight — a 17°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, August runs on par with July and about 3°F warmer than September.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19174
29174
39174
49174
59174
69174
79174
89174
99174
109174
119174
129174
139174
149074
159074
169074
179073
189073
199073
209073
219073
229073
239073
249073
259073
269073
279073
288973
298973
308972
318972

How August really feels in Hammond

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Hammond weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44555
54456
64456
74555
84654
94654
104753
114753
124753
134753
144852
154852
164852
174852
184753
194951
204951
214852
224951
234951
244852
254852
264951
274852
284852
295050
305050
315050

Chance of precipitation in August

Any precipitation

Hammond gets around 6.0 in of rain over 17.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
458
558
658
758
859
959
1059
1159
1259
1359
1459
1559
1659
1759
1858
1958
2057
2156
2256
2355
2455
2554
2653
2752
2852
2951
3050
3149

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100255835
200255835
300255934
400156034
500156034
600156034
700156034
800165934
910165834
1010165735
1110165735
1210175635
1310175635
1410275535
1511275435
1611285434
1711285434
1811285533
1911395432
2011395531
2111395630
22013105729
23013105828
24013115827
25014115925
26014116024
27014126023
28015135922
29015136120
30115146019
31116146018

Wind in August

Winds average 4 mph in August.

Across August, daily wind ranges from about 4 mph on the calmest days to 5 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
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 30 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over August. Sunrise moves from 5:23 AM to 5:42 AM, and sunset from 6:53 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:236:53
213.55:246:52
313.45:246:51
413.45:256:50
513.45:266:50
613.45:266:49
713.35:276:48
813.35:286:47
913.35:286:46
1013.35:296:45
1113.25:296:44
1213.25:306:43
1313.25:316:42
1413.25:316:41
1513.15:326:40
1613.15:336:39
1713.15:336:38
1813.15:346:37
1913.05:346:36
2013.05:356:35
2113.05:366:34
2212.95:366:33
2312.95:376:32
2412.95:376:31
2512.95:386:29
2612.85:396:28
2712.85:396:27
2812.85:406:26
2912.75:406:25
3012.75:416:23
3112.75:426:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.5 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 — August's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Hammond

In seasonPeak

In August, 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 August a good time to visit Hammond?

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

3.2
Sightseeing
11th-best month of the year
5.3
Beach & pool
6th-best month of the year

August is a weaker month for outdoor sightseeing in Hammond.

What to pack for Hammond in August

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

In August, Hammond sees daytime highs around 90°F and nights near 73°F. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Hammond in August

The nearest coast averages about 86°F in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 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 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 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
August 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).