This report describes the typical weather at the Hamburg Airport (Hamburg, Germany) weather station over the course of an average August 31. It is based on the historical records from 2006 to 2012. Earlier records are either unavailable or unreliable.
Hamburg has a mild humid temperate climate with warm summers and no dry season. The area within 25 mi of this station is covered by croplands (63%), grasslands (24%), and built-up areas (10%).
The temperature typically varies from 56°F to 66°F and is rarely below 52°F or above 72°F.
The coolest hours of the day are from 2am to 9am with the coldest at 6am, at which time the temperature is below 58°F three days out of four.
The warmest hours of the day are from noon to 7pm with the hottest at 4pm, at which time the temperature is above 63°F three days out of four.
The day has gained half its heat by 11am and lost it again by 9pm.
On August 31 the Sun rises at 6:27am and sets at 8:12pm.
Solar noon is at 1:19pm.
For reference, on the longest day of the year the Sun rises at 4:49am and sets at 9:53pm, while on the shortest day of the year it rises at 8:34am and sets at 4:01pm.
Astronomical twilight begins and ends 134 minutes before sunrise and after sunset at 4:12am and 10:25pm, respectively.
Nautical twilight begins and ends 82 minutes before sunrise and after sunset at 5:04am and 9:33pm, respectively.
Civil twilight begins and ends 37 minutes before sunrise and after sunset at 5:50am and 8:48pm, respectively.
Solar twilight begins and ends 47 minutes after sunrise and before sunset at 7:14am and 7:24pm, respectively.
The median cloud cover is 80% (partly cloudy) and does not vary substantially over the course of the day.
On average, the sky is clear or mostly clear 7% of the time, partly cloudy 16% of the time, and mostly cloudy or overcast 49% of the time.
There is a 65% chance that precipitation will be observed at some point during the day.
When precipitation does occur it is most often in the form of slight rain (44% of days with precipitation have at worst slight rain), moderate rain (31%), thunderstorms (16%), and drizzle (6%).
Precipitation is most likely around 4pm and least likely around 3am.
Either snow is exceptionally unlikely to fall at this location on August 31 or this station does not reliably report precipitation types.
The relative humidity typically ranges from 66% (mildly humid) to 90% (very humid), rarely dropping below 52% (mildly humid), or exceeding 97% (very humid).
The air is driest at 4pm, at which time the relative humidity is less than 73% (humid) three days out of four; it is most humid at 6am, exceeding 87% (very humid) three days out of four.
The dew point ranges from 53°F to 55°F with an average of 54°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
Sustained wind speeds typically vary from 7 mph to 12 mph (light breeze to gentle breeze) over the course of the day.
The peak sustained wind speed typically occurs around 3pm and is rarely outside the range 8 mph to 16 mph (light breeze to moderate breeze).
The wind is most calm around 4am, rarely exceeding 10 mph (gentle breeze).
The wind is most often out of the south west (30% of the time), west (21% of the time), north west (11% of the time), and east (10% of the time). The wind is least often out of the north (4% of the time).