There is often snow on the ground in late November and December, but the days can be mild enough for winter. There is often frost in January and although the temperature is not necessarily very much below freezing, the wind chill factor can make the weather feel very raw. The sun begins shining through again in March. Summer begins arriving in May and sometimes comes in surprisingly quickly. There are often a couple of proper heat waves in June and July.
Summer is the time to make the most of the brightness and warmth.
The evenings in August can still be a little warmer until a tiny nip of autumn can be sensed in the air. Be prepared for changes For most people, the least pleasant time in the city is when there are blustery, piercing winds or the chilly showers of late autumn. There are also local variations, with some streets more exposed to chilling winds than others. The sea is slow to heat up in spring, but retains its heat for a long time once it has gathered it. If you go near the sea, it pays to take a sweater or a long-sleeved shirt along, even in summer, unless it is a really warm day.