Climate and monthly weather forecastHamburg, IA
Climate and monthly weather forecast
The climate of Hamburg
Hamburg, Iowa, characterized by a Dfa Köppen climate classification, predominantly experiences a humid continental, no dry season, hot summer. The geographical positioning of Hamburg within North America translates to a respectable blend of varied weather phenoms - from hot summers to frosty winters.Throughout the year, Hamburg, Iowa, undergoes changes in various weather parameters. The temperatures, notably, osculate between a brisk 18.1°F (-7.7°C) in the coldest month and a lofty 85.3°F (29.6°C) at the peak of summer. The swing in humidity stays relatively even, working its way from a minimum of 66% up to a maximum of 78%.
Observing rainfall in Hamburg discloses an interesting pattern - the heavier downpours are concentrated between April and June with an apex at 4.29" (109mm) in June, whereas the least amount of rain is dispensed in February, with about 0.67" (17mm) of rainfall. The most snowfall, 3.07" (78mm), is usually detected in January, while November introduces a mild snowfall of about 0.55" (14mm).
The best time to visit Hamburg
Commensurable with personal preference for weather conditions, the optimal time for a visit to Hamburg can vary. For travelers who fancy warmer weather, the summer months of July and August, with a temperature ranging from 83.3 to 85.3°F (29.6°C), would be an appealing time. The humidity is rather high during these months, standing at 77%, and daylight hours peak, with around 14.7 to 15 hours of daylight.The worst time to visit Hamburg
On the other side of the weather spectrum, winter in Hamburg, spanning from lower temperatures of 18.1°F (-7.7°C) to a higher limit of 36.5°F (2.5°C), could prove unfavorable to visitors not well equipped for the chill. January sees peak snowfall, and cloud cover increases to 46%. In tandem, the daylight hours stick to the lower end of the scale, highlighting that winters generally tend to be bleak and frosty.Spring weather in Hamburg
Spring in Hamburg has temperatures bouncing from 34.5°F (1.4°C) to 72°F (22.2°C). Rainfall beings to pick up with 1.5" (38mm) in March to a high of 4.17" (106mm) in May. The daylight hours increase from 12 in March, reaching up to 14.5 hours in May.Summer weather in Hamburg
The summer season in Hamburg hosts temperatures from 72°F (22.2°C) to 85.3°F (29.6°C). Humidity rolls from a 73% in May to a high of 77% in July. Rainfall is heaviest in June with 4.29" (109mm), and the sunniest days are enjoyed in July with a record high of 10.5 hours of sunshine.Autumn weather in Hamburg
Fall in Hamburg bears temperature from a high of 77.4°F (25.2°C) in September to a lower boundary of 49.8°F (9.9°C) by November. Autumn months gate keep between 11.6 days of rainfall in September to just 6.3 days in November. The daylight hours follow an anticipated descent from 12.5 in September to around 9.9 in November.Winter weather in Hamburg
Winter in Hamburg pulls temperatures down from 49.8°F (9.9°C) in November to about 18.1°F (-7.7°C) in January. Notable in winter is the show of snowfall - from a lighter dusting of 0.55" (14mm) in November, climbing to a peak of 3.07" (78mm) in January. Daylight hours are shortened, with 9.9 hours in November clinging to the bottom rung of 9.3 hours by December.Weather in January
January, at the start of the year, brings the chill of winter to Hamburg, Iowa. The low temperatures often dipping to 18.1°F (-7.7°C), coupled with high humidity, can create thick ground fog distorting visibility. The frosting of the landscape with 3.07" (78mm) of snow that January typically receives only adds to the winter scenery. Weather in January »Weather in February
February in Hamburg, Iowa, continues the winter season. Compared to January, temperatures are slightly milder while snowfall decreases, signaling a shift in the season. This transition period witnesses a gradual increase in daylight hours and a decrease in snowfall. Weather in February »Weather in March
As the chill of winter retreats in March, Hamburg, Iowa, starts to experience milder temperatures. March witnesses a shift in precipitation form as well, with the city getting 1.5" (38mm) of rainfall on average. The month is considerably wetter than February, as the rain rejuvenates the land after the long, dry winter. Weather in March »Weather in April
April in Hamburg, Iowa, welcomes the bounties of spring wholeheartedly. As the city warms up with temperatures exceeding the lows of March, residents start shedding their winter layers. The increase in rainfall contributes significantly to the city's greenery, setting up an outdoor spectacle. Weather in April »Weather in May
May marks the end of spring as temperatures start to climb, indicating the approach of summer in Hamburg, Iowa. With the average rainfall reaching a significant 4.17" (106mm), May is known as the city's wettest month, nourishing the abundantly blooming flora. Weather in May »Weather in June
June ushers in the summer season in Hamburg, Iowa. With the mercury regularly hitting above 80°F (26.7°C), the days get longer and hotter. Notwithstanding the rise in temperature, residents are greeted with mild humidity, making the days livable. Weather in June »Weather in July
July, often the hottest month in Hamburg, Iowa, presents residents with high temperatures of around 85.3°F (29.6°C), ensuring a full-blown summer. Despite the frequent heatwaves, this period boasts the highest daylight, making it the perfect time for outdoor activities. Weather in July »Weather in August
August in Hamburg, Iowa, signifies the winding down of summer. Although temperatures remain high, they are marginally lower than those in July, hinting at a seasonal shift. This period is characterized by reduced daylight hours, indicating the onset of autumn. Weather in August »Weather in September
September in Hamburg, Iowa, marks the onset of autumn. With temperatures dipping from August's highs, the month enjoys a comfortable, moderate climate. The cooler temperatures and shorter daylight hours herald the arrival of fall. Weather in September »Weather in October
October is a classic autumn month in Hamburg, Iowa. An evident drop in temperatures compared to September indicates the coming winter. The fall foliage reaches its pinnacle during this time of the year, with leaves turning brilliant shades of orange, red, and yellow. Weather in October »Weather in November
November in Hamburg, Iowa, bridges the gap between fall and winter. There is a visible decrease in temperature, daylight, and sunshine, announcing the arrival of winter. The first dustings of snow might be felt in November, a gradual shift from the rain showers of October. Weather in November »Weather in December
December brings the winter chill in full force to Hamburg, Iowa. With temperatures almost as low as in January, the month provides residents a real taste of winter. Coupled with an increased amount of precipitation, much of which falls as snow of around 1.14" (29mm), the city transforms into a winter wonderland. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hamburg, IA
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Hamburg, IA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Hamburg, IA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Hamburg, IA
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Hamburg, IA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.67" - Average rainfall in March:
1.5" - Average rainfall in April:
2.13" - Average rainfall in May:
4.17" - Average rainfall in June:
4.29"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.91" - Average rainfall in September:
2.32" - Average rainfall in October:
2.72" - Average rainfall in November:
1.02" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Hamburg, IA
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall
Hamburg, IA
The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hamburg, IA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.9 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:
0.8 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hamburg, IA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 12min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Hamburg, IA
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index
Hamburg, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Hamburg, IA
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Hamburg, IA
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).





