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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Tiffin, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 27.1°F (-2.7°C). With its high average temperature of 27.1°F (-2.7°C) and a low of 15.1°F (-9.4°C), January is regarded as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Tiffin, is another freezing cold month, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 31.5°F (-0.3°C). As Tiffin, Iowa, welcomes February, the average high-temperature stabilizes at a still subzero cold 31.5°F (-0.3°C), showing little deviation from January's 27.1°F (-2.7°C). Weather in February »
Weather in March
March, the first month of the spring in Tiffin, is a chilly month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 46°F (7.8°C). The arrival of March is marked by a notable increase in high-temperatures, climbing from a subzero cold 31.5°F (-0.3°C) in February to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Tiffin, Iowa, with an average temperature ranging between min 41.5°F (5.3°C) and max 58.3°F (14.6°C). The arrival of April signals an increase in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a moderate 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Tiffin, is a pleasant month, with an average temperature ranging between min 52.5°F (11.4°C) and max 69.4°F (20.8°C). The arrival of May sees a shift in the average high-temperature, moving from a mild 58.3°F (14.6°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in Tiffin, is a warm month, with an average temperature ranging between max 78.6°F (25.9°C) and min 61.9°F (16.6°C). The start of June signals an increase in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in May to a warm 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in Tiffin, Iowa, is a moderately hot summer month, with an average temperature varying between 81.1°F (27.3°C) and 64.6°F (18.1°C). In Tiffin, temperatures reach their average annual highs in July, measuring 81.1°F (27.3°C) and a minimum average of 64.6°F (18.1°C). The average heat index in July is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Tiffin, is also a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 80.2°F (26.8°C). As Tiffin, Iowa, transitions into August, the average high-temperature stands at a still warm 80.2°F (26.8°C), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Tiffin, is also a moderately hot month, with an average temperature fluctuating between 55.4°F (13°C) and 74.8°F (23.8°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from 80.2°F (26.8°C) in August to a still warm 74.8°F (23.8°C). Weather in September »
Weather in October
October, the same as September, in Tiffin, Iowa, is another mild autumn month, with an average temperature ranging between min 44.6°F (7°C) and max 60.1°F (15.6°C). As October arrives, Tiffin's weather displays a notable decrease in high-temperatures, falling from September's moderately hot 74.8°F (23.8°C) to a refreshing 60.1°F (15.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Tiffin, Iowa, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 46.2°F (7.9°C). Tiffin in November demonstrates a small temperature transition, adjusting from an average high of a mild 60.1°F (15.6°C) in October to a chilly 46.2°F (7.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Tiffin, Iowa, with an average temperature ranging between max 33.8°F (1°C) and min 22.8°F (-5.1°C). Observing a mild shift, the average high-temperature during December reduces from November's frosty 46.2°F (7.9°C) to an icy 33.8°F (1°C). Weather in December »
Updated: Aug 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
In Tiffin, the average lowest temperatures are observed in January, with a high of 27.1°F (-2.7°C) and a low of 15.1°F (-9.4°C).
How many days does it rain?
Throughout the year, there are 134.7 rainfall days, and 27.72" (704mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
The month with the most snowfall in Tiffin is January, when snow falls for 11.1 days and typically aggregates up to 5" (127mm) of snow.
How many days does it snow?
Throughout the year, there are 36.6 snowfall days, and 14.21" (361mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.1h of sunshine.
What is the month with the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
What is the driest month?
February is the month with the least rainfall. Rain falls for 5 days and accumulates 1.14" (29mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 4.41" (112mm) of precipitation.
When it does not snow?
In Tiffin, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What part of the year is the hottest in Tiffin?
July is the warmest month, exhibiting average temperatures of 81.1°F (27.3°C) at the peak and 64.6°F (18.1°C) at the base.
What is the most humid month?
July is the most humid month, with an average relative humidity of 84%.
What is the month with the most sunshine?
July and August, with an average of 10h of sunshine, are months with the most sunshine.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Tiffin, IA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Tiffin, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Tiffin, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Tiffin, IA
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Tiffin, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.14" - Average rainfall in March:
1.93" - Average rainfall in April:
2.99" - Average rainfall in May:
4.41" - Average rainfall in June:
3.58"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Tiffin, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
6.5 days
The months with the highest number of rainy days are May and June (17 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Tiffin, IA
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Tiffin, IA
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
4.5 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:
0.5 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Tiffin, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Tiffin, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
17 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
18.1 days
The months with the most sunshine days are October, November and December (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Tiffin, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Tiffin, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Tiffin, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Tiffin, Iowa, USA
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