Climate and monthly weather forecastHammond, IN
Climate and monthly weather forecast
The climate of Hammond
Occupying a geographical position in the Midwest, Hammond, Indiana, USA adheres to the Köppen climate classification. Identified as Dfa, this signifies a humid continental climate with no dry season and hot summers. Throughout the year, a range of varied weather conditions is experienced within Hammond, shaped by its continental climate.Analyzing climate data reveals the presence of pronounced seasonality in Hammond. The city experiences fluctuating temperatures from a high of 80.8°F (27.1°C) in July to a low of 19°F (-7.2°C) in January. In addition to temperature swings, the city has a consistently high relative humidity throughout the year, peaking at 83% in February and modestly descending to 72% by October.
Precipitation patterns are also variable, with the highest rainfall, 3.39" (86mm), recorded in June and the lowest, 1.14" (29mm), occurring in January. Meanwhile, snowfall is uniform from May to September but peaks in January and February with 3.19" (81mm) and 3.5" (89mm), respectively. Furthermore, daylight hours peak at 15.2h in June and drop significantly to 9.2h in December, underscoring the distinct seasonal variation.
The best time to visit Hammond
Considering various factors such as temperature, rainfall, and amount of sunshine, the period from May to September could qualify as the best time to visit Hammond. This period provides the warmest temperatures, oscillating between 66.7°F (19.3°C) to 80.8°F (27.1°C). During these months, precipitation rates moderate, ensuring that the weather remains relatively dry. Additionally, the city boasts the most extensive daylight from May to September. The sunshine hours peak in July, providing a lengthy 10h of sunlight each day. This period is ideal for outdoor activities and sightseeing.The worst time to visit Hammond
Contrarily, the period between November and March is comparatively less favorable for visits. During this time, temperatures in Hammond plummet drastically, registering lows of 19°F (-7.2°C) in January. Adding to this discomfort, the city witnesses its highest snowfall, especially in January, when it accumulates to 3.19" (81mm). It is also the time of the year when daylight periods are the shortest, with December showcasing the shortest daylight duration of 9.2h.Spring weather in Hammond
Spring in Hammond is characterized by a gradual rise in temperature and an increase in precipitation. While temperatures range from a low of 32.4°F (0.2°C) in March to a high of 66.7°F (19.3°C) in May, rainfall significantly increases from 1.46" (37mm) in March to 3.27" (83mm) in May. At the same time, spring showcases increased daylight hours, from 12h in March to 14.5h in May.Summer weather in Hammond
Summer in Hammond sees temperatures peak, with July recording the highest temperature of 80.8°F (27.1°C). Although the relative humidity during the summer months remains relatively high, between 77% to 78%, the increased sunshine duration assuages the discomfort. The city receives the most extended daylight, up to 15.2h in June. Casual rainfall happens frequently.Autumn weather in Hammond
Autumn marks a transition from hotter to colder temperatures. The average temperature decreases from a high of 73.6°F (23.1°C) in September to a low of 46.9°F (8.3°C) in November. Likewise, the humidity level shows marginal fluctuation, and the rainfall shows a gradual decline from 2.05" (52mm) in September to 1.18" (30mm) in November. The daylight hours too follow a similar decreasing trend.Winter weather in Hammond
Winter brings with it lower temperatures and increased snowfall. In this season, the city witnesses the coldest temperatures, with January recording the lowest temperature value of 19°F (-7.2°C). Snowfall is the highest during winter, contributing to the city's moderately high relative humidity. Daylight hours also decrease, further accentuating the wintry conditions of Hammond.Weather in January
Hammond's weather is coldest in January, characterized by freezing temperatures and a steady flow of precipitation. A high relative humidity of 82% marks this as one of the dampest months, while snowfall reaches a peak with 12.5 days of snow, accumulating to a depth of 3.19" (81mm). Weather in January »Weather in February
The transition from January to February sees a marginal rise in temperature and a slight dip in snowfall frequency in Hammond. The city sees slightly less snowfall with 3.5" (89mm) over 10.8 days. Despite shorter daytime hours, the city benefits from an increased duration of 10.6 hours of daylight, offering more time to brave the winter chill. Weather in February »Weather in March
March signals the beginning of the weather transformation in Hammond, as temperatures begin to rise, slowly pulling the region out of the winter's clutches. Snowfall reduces drastically, with a shift towards rainfall, which stands at 1.46" (37mm) over 11.5 days. Weather in March »Weather in April
April encapsulates a spring ambiance in Hammond, marked by rapid temperature swings. Rainfall instruction peaks for the first half of the year, with 2.56" (65mm) spread across 15.4 days. An increase in daylight hours to 13.4 can be seen, paving the way for beautiful, blossoming mornings. Weather in April »Weather in May
May brings a warm welcome in Hammond with higher temperatures and longer days. It also marks the last month where a trace of snowfall, though negligibly small, may occur. Precipitation is quite high at 3.27" (83mm) across 16.6 days, keeping the city green and fresh. Weather in May »Weather in June
June marks the onset of summer, bringing about the highest daylight duration in Hammond of 15.2 hours. Despite the increased temperatures, June continues to experience steady rainfall. Humidity remains steady, accompanying the warm temperatures with a muggy feel. Weather in June »Weather in July
With temperatures frequently peaking, July is often regarded as the hottest month in Hammond. The city also witnesses the highest temperature of the year, reaching a blistering 80.8°F (27.1°C). Despite the heat, July has a cutback in rain as compared to June. Weather in July »Weather in August
August ushers in slightly milder weather in Hammond as summer starts to wind down. Although the temperature range is still at its peak, there’s a small dip as compared to July. The amount of precipitation decreases, although the city remains relatively humid. Weather in August »Weather in September
September marks the transition from summer to fall in Hammond. This month sees a cool down in temperature, although the amount of daylight hours remains adequately high. Lush scenery ensues as rainfall at 2.05" (52mm) continues to drench the city over 13 days. Weather in September »Weather in October
October welcomes the beautiful fall season in Hammond, with a significant drop in temperature from September. Residents can expect a reduction in precipitation levels coupled with less humidity compared to September. Despite shorter daylight hours and longer nights, the days are filled with moderate sunshine. Weather in October »Weather in November
November brings a harsher climate in Hammond, as temperatures plunge with winter's approach. A notable weather shift occurs with snowfall coming back into the monthly forecast after a gap, reaching a height of 1.57" (40mm). November also records a reduction in rain compared to October. Weather in November »Weather in December
December is adorned with the spirit of winter, bringing back the crisp cold weather in Hammond. With 2.44" (62mm) of snowfall spread across 9.6 days, December presents a plummet in temperature, marking the year-end. The scant daylight of 9.2 hours brings early sunsets, opening up the celestial vistas for longer. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hammond, IN
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Hammond, IN
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Hammond, IN
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Hammond, IN
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Hammond, IN
- Average rainfall in January:
1.14" - Average rainfall in February:
1.3" - Average rainfall in March:
1.46" - Average rainfall in April:
2.56" - Average rainfall in May:
3.27" - Average rainfall in June:
3.39"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.72" - Average rainfall in September:
2.05" - Average rainfall in October:
1.89" - Average rainfall in November:
1.18" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Hammond, IN
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
16 days - Average rainfall days in September:
13 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Hammond, IN
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hammond, IN
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hammond, IN
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Hammond, IN
- Average sunshine days in January:
14 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.9 days).
Average UV index
Hammond, IN
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Hammond, IN
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Hammond, IN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





