Hammond weather in May

In May, Hammond sees average daytime highs of 84°F and overnight lows near 66°F, with 4.4 in of rain across 10.1 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 81°F in the first days to 87°F by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Hammond's 3rd-clearest and 8th-windiest month. For the whole year in context, see Hammond's year-round climate.

Daytime high
84°
5th warmest
Overnight low
66°
8th coldest
Rainfall
4.4 in
10.1 wet days
Daylight
13 h 30 min
5:12 AM – 6:44 PM
Cloud cover
51%
3rd clearest
Wind
6 mph
8th windiest
Solar energy
6.17 kWh/m²
Travel score
5.7
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 81°F in the first days to 87°F by the end.

A typical May day in Hammond reaches about 84°F in the afternoon and slips back to 66°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 89°F. Set against its neighbours, May runs about 7°F warmer than April and about 5°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18162
28162
38162
48162
58263
68263
78263
88264
98364
108364
118364
128365
138365
148465
158465
168466
178466
188566
198566
208567
218567
228567
238567
248668
258668
268668
278669
288669
298769
308769
318770

How May really feels in Hammond

Once humidity and wind are folded in, May averages 5 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
5
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Hammond weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75842
85842
95842
105842
116040
126040
136139
146139
156139
166139
176238
186238
196238
206238
216139
226139
236040
246040
255941
265842
275842
285743
295743
305644
315644

Chance of precipitation in May

Any precipitation

Hammond gets around 4.4 in of rain over 10.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
229
329
429
528
628
728
828
928
1029
1129
1229
1330
1430
1531
1632
1732
1833
1933
2034
2135
2235
2336
2437
2538
2638
2739
2840
2941
3042
3143

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
122152129120
221152130130
320152130140
419152131150
517152131160
616152032160
715142033170
815142033180
914132033190
1013132034200
1113122034210
1212122035210
1312111935220
1411111935230
1511101936240
161091936260
171091836270
18981837280
19981737290
20871638310
21871638320
22771538330
23661439340
24661339360
25561339370
26451239390
27351139411
28351038431
29251038441
3025937461
3114936482

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:24 AM to 5:05 AM, and sunset from 6:34 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:246:34
213.25:236:35
313.25:226:35
413.25:216:36
513.35:206:37
613.35:206:37
713.35:196:38
813.35:186:39
913.45:176:39
1013.45:166:40
1113.45:166:41
1213.45:156:42
1313.55:146:42
1413.55:136:43
1513.55:136:44
1613.55:126:44
1713.65:116:45
1813.65:116:45
1913.65:106:46
2013.65:106:47
2113.65:096:47
2213.75:096:48
2313.75:086:49
2413.75:086:49
2513.75:076:50
2613.75:076:51
2713.75:066:51
2813.85:066:52
2913.85:066:52
3013.85:056:53
3113.85:056:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.17 kWh/m² — the sunniest month for solar.

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 — May's 6.17 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Hammond

In seasonPeak

None of Hammond's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 May a good time to visit Hammond?

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

5.7
Sightseeing
6th-best month of the year
6.9
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Hammond for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hammond in May

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

In May, Hammond sees daytime highs around 84°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Hammond in May

The nearest coast averages about 78°F in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).